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Bike Components

Scotts Valley Cycle Sport has your area's best selection of bike parts and components. Whether you are a road biker, mountain biker, or just need a part for your bike you use around town, we can help you find what you need. Our expert bike shop staff is trained to work on and suggest parts for all types of bikes. Shop online or stop by the shop and let us help you!

Specialized Power Cranks Dura-Ace Dual
$1,500.00
No matter your skill level or experience on the bike, there's no better way to enhance your training and racing performance than by riding with a power meter. And for all of you Dura-Ace fans out there, we've combined our extremely light power sensors with a Shimano Dura-Ace crankset to give you the most accurate and precise power meter available. The development of Power Cranks began with our Human Performance Team looking at riders in realistic scenarios on the bike. Historically, power meters have been validated by two different methods—one is by measuring the produced torque by applying a static, linear load to a crankarm or chainring, while the second uses a power generating motor to pedal the bike. Well, cycling is neither static nor linear, and humans apply power much differently than a machine. So, we found that neither of these methods answers the "real-world" accuracy question. To get the best test for accuracy, in all types of riding scenarios, we built our own cycling treadmill, the WinMill, to measure power output to a known truth. This new benchmark lets us evaluate accuracy under all riding conditions—seated versus standing, various power and cadence levels, different weights, and a myriad of gear. This data acquisition process is our gold-standard for testing power meters, and through our testing and external validation from the Locomotion Lab in Boulder, Colorado, Power Cranks have been proven to have the highest accuracy in real-world scenarios (+/- 1.5%). The Dual-Sided S-Works Power Cranks utilize separate strain gauge systems to individually measure the effort produced by each leg. This maximizes the accuracy of your total power numbers, plus it helps you to better understand your performance as fatigue increases and when you're recovering from injury. And with class-leading temperature compensation firmware and waterproof enclosures, Power Cranks are easy to live with. Calibration is only required during seasonal-type fluctuations in temperature, and the included wrench makes battery swaps a breeze. - +/- 1.5% real-world accuracy tested on the WinMill and validated by the Locomotion Lab in Boulder, CO - Independent, dual-leg power measurement - Works with ANT+ and Bluetooth devices - Easy set-up and diagnostics with the Specialized Power app. (iOS and Android versions available) - Available in 170-175mm crankarm lengths - All models include 52/36T chainrings
Specialized RockShox SID WC with Brain
$1,300.00
Sure, there are plenty of lightweight XC forks out there, but racing demands so much more. Nimble handling, gram-obsessed weight, buttery damping—combined, they all make the difference between a good fork and a great fork. And with this in mind, the all-new RockShox SID World Cup Brain fork has been completely redesigned to meet the demands of XC racing, and hyperbole aside, we can confidently say that it sets the bar for race-worthy performance. The all-new Brain damper uses position sensitive technology for better chassis balance and traction. It does this while retaining the ability to separate rider input from bump events on the trail—just some of the incredible stuff that Brain is known for. The new technology can now remain active during the initial 25mm of travel, and this creates a much more balanced riding position and supple front-end feel. In turn, this goes a long way in reducing rider fatigue. And although the fork feels more active initially, as soon as you standup to get on the gas, the forward shift in weight naturally compresses the fork into the platform. So yeah, you'll feel well supported and efficient during hard sprint efforts. Incredibly, Brain does all this while keeping you in control and riding smooth on rough terrain without any need for extra cables and lockout levers on the handlebars. The World Cup Brain edition of the SID is not just a slight upgrade over the RLC and XX models, either. Along with the integrated Brain technology, it utilizes a carbon fiber steerer and crown, which reduce weight by over 100 grams and increases the overall stiffness. Also adding to the stiffness of is the short-travel-specific design. Leaving the 120-millimeter segment to the trail category, RockShox’s engineers were able to focus on the 80- to 100-millimeter travel range, and therefore develop lighter and stiffer uppers and air shafts. This new design, along with SRAM's Torque Caps (they create an enhanced interface between the hub and fork dropout), Power Bulge technology that reinforces the lowers, and 110-millimeter Boost spacing, keeps torsional stiffness high, allowing you to point-and-shoot while descending. Last, but certainly not least, on the feature spec is the Solo Air spring that’s customizable with RockShox’s Bottomless Tokens. The Solo Air spring lets you adjust pressure with a single Schrader valve that controls the pressure in both the positive and negative air chambers, making adjustments to pressure simple and intuitive. To customize ramp-up preference, RockShox’s Bottomless Tokens can be added to create a suspension curve that’s custom to your preferences. - Tapered Full Carbon Steerer tube - Top-adjust Brain damper w/ Position Sensitive technology - 110mm spacing with Torque Cap compatibility - 100mm of travel
SRAM RED AXS Quarq Road Powermeter DUB
$1,200.00
The SRAM RED AXS power meter breaks with tradition — and breaks through to new levels of performance. SRAM reengineered road gearing: reducing front chainring size and adding more range to the rear cassette. They also maintained a 13-tooth delta on all chainring pairs, ensuring precise shifting for any setup. This results in more useful gearing and better shifting across all configurations. These power meters are also designed with Quarq's premier DZero power measurement technology fully integrated into the crankset. Welcome to the pinnacle of the power meter. - X-Range gearing technology gives you more range and a smoother gear progression, so you're always in the right gear - Integrated power measurement - Power meter is fully integrated into the chainring set for lighter weight - Power readings are accurate within +/-1.5% and aren't affected by climate conditions during a ride - Power balance measures left and right legs separately - Improved front shifting performance for crisp and accurate front shifts - Unique chainring shape results in a lighter weight, stiffer, more durable crankset - Integrated chainring design significantly reduces weight - DUB bottom bracket adds durability, simplicity and broad compatibility - Speeds: 12 - BB Compatibility: All SRAM Road DUB BBs - BB Spindle Interface: DUB - Chainring material: Aluminum - Crank arm material: Carbon - Power Meter Type: ANT+ and BLE - Bottom bracket not included
Ohlins RXF 34 Fork
$1,150.00
Specialized's Öhlins RXF fork was designed to be the gold standard in frontend suspension. It operates off of a three-chamber air spring design (two positive and one negative), allowing for an offset of spring pressure that perfectly mates stiffness with a plush, responsive ride quality and utilizes proprietary TTX damping technology. Combined, this allows both parallel and separated oil flow that controls the overall pressure levels. In a practical sense, this means that the fork is guaranteed to remain high in the travel, while also ensuring smoothness and predictable bump absorption throughout the entire ride. The shape of the spring force is also capable of being adjusted, which allows riders more fine-tuning options for preferences like increased sensitivity without the threat of bottoming out. Öhlins has also incorporated an ultra-stiff alloy unicrown design that's comparable in rigidity to a 36mm stanchion fork, only in a 34mm package. This means that it'll experience less flex for more tire control, while also trimming down on some weight. - A tapered alloy steerer and high alloy unicrown ensure high stiffness and tire control with less chassis flex and chassis hysteresis. The result is a 34mm fork with a 46mm offset that's more rigid than other brands' 35mm forks. - 120, 140, and 160mm travel options guarantee the perfect ride for every style. - 15x100mm spacing makes it compatible with most wheel sizes.
Specialized Ohlins RXF 36 27.5-inch Fork
$1,150.00
The Öhlins RXF 36 fork drafts off of the success of the 34, while bringing more stiffness and room for bigger tires. It operates off of a three-chamber air spring design (two positive and one negative), and it utilizes proprietary TTX damping technology. Combined, this allows both parallel and separated oil flow that controls the overall pressure levels. In a practical sense, this means that the fork is guaranteed to remain high in the travel, while also ensuring smoothness and predictable bump absorption throughout the entire ride. The shape of the spring force is also capable of being adjusted, which allows riders more fine-tuning options for preferences like increased sensitivity without the threat of bottoming out. Öhlins has increased the stanchions to 36mm and upped the spacing to 110mm with an ultra-stiff two-piece alloy crown design. This means that it'll experience less flex for more tire control, while also trimming down on some weight. - Features a three-chamber air spring, with two positive chambers and one negative, allowing for an offset of spring pressure that perfectly mates stiffness with a plush, responsive ride quality. The shape of the spring curve can also be adjusted to increase sensitivity without bottoming out. - TTX (Twin Tube) damping enables separated oil flow, so the fork will always provide the perfect degree of pressure. This way, it stays smooth and high in the travel without compromising bump absorption, traction, or stability. - A tapered alloy steerer and high alloy two-piece crown ensure high stiffness and tire control with less chassis flex and chassis hysteresis. 36mm stanchions with 46mm offset for party time on the trail. - 150 and 170mm travel options available. - 15x110mm spacing.
Specialized Ohlins RXF 36 Coil 27.5+/29-inch Fork
$1,150.00
The Ohlins RXF 36 Coil fork uses the same chassis of the RXF 36 fork, keeping the same stiffness, room for bigger tires, and proprietary TTX damping technology, but instead uses high quality coil springs that are easily swapped for various rider weights and it utilizes. This provides a ride with great feel throughout the travel—from small bumps to big hits. - Features a coil spring, with multiple spring rates in 0.9N/mm / 5lb/inch increments, allowing for a plush, linear suspension feel, tuned specific for the riders weight. - TTX (Twin Tube) damping enables separated oil flow, so the fork will always provide the perfect degree of pressure. This way, it stays smooth and high in the travel without compromising bump absorption, traction, or stability. - A tapered alloy steerer and two piece crown ensure high stiffness and tire control with less chassis flex and chassis hysteresis. 36mm stanchions with 51mm offset for party time on the trail. - 150 and 160mm travel options available. - 110 x 15mm spacing makes it compatible with most 29-inch setups.
Specialized S-Works Power Cranks - Dual-Sided
$1,150.00
No matter your skill level or experience on the bike, there's no better way to enhance your training and racing performance than by riding with a power meter. Lucky for you, Specialized has combined their incredibly light and stiff carbon fiber S-Works road cranks with dual-sided power measurement, making it the lightest (440g/172.5mm) and most accurate power meter available. The development of Power Cranks began with Specialized's Human Performance Team looking at riders in realistic scenarios on the bike. Historically, power meters have been validated by two different methods—one is by measuring the produced torque by applying a static, linear load to a crankarm or chainring, while the second uses a power generating motor to pedal the bike. Well, cycling is neither static nor linear, and humans apply power much differently than a machine. So, they found that neither of these methods answer the "real-world" accuracy question. To get the best test for accuracy, in all types of riding scenarios, Specialized built their own cycling treadmill, the WinMill, to measure power output to a known truth. This new benchmark lets them evaluate accuracy under all riding conditions—seated versus standing, various power and cadence levels, different weights, and a myriad of gear. This data acquisition process is their gold-standard for testing power meters, and through their testing and external validation from the Locomotion lab in Boulder, Colorado, Power Cranks have been proven to have the highest accuracy in real world scenarios (+/- 1.5%). The Dual-Sided S-Works Power Cranks utilize separate strain gauge systems to individually measure the effort produced by each leg. This maximizes the accuracy of your total power numbers, plus it helps you to better understand your performance as fatigue increases and when you're recovering from injury. And with class-leading temperature compensation firmware and waterproof enclosures, Power Cranks are easy to live with. Calibration is only required during seasonal-type fluctuations in temperature, and the included wrench makes battery swaps a breeze. - +/-1.5% real-world accuracy tested on the WinMill and validated by the Locomotion Lab in Boulder, CO. - Independent, dual-leg power measurement. - Works with ANT+ and Bluetooth devices. - Easy set-up and diagnostics with the Specialized Power app. (iOS and Android versions available). - Hollow carbon crankarms, carbon spider, and oversized alloy spindle offer superior stiffness and lighter weight than the competition—440 grams for 172.5mm crankarm length. - Fits Specialized road frames with OSBB or PF30 bottom bracket shell, as well as most BB30 road frames. - 110 BCD carbon spider (also compatible with 130 BCD carbon spider—sold separately). - Compatible with Shimano and SRAM drivetrains. Chainrings are sold separately. Use only with Specialized/Praxis chainrings 06217-1702 (52/36T) and 06218-1713 (50/34T). - Available in 165-180mm crankarm lengths.
Quarq Riken R 110 BCD Power Meter Crankset
$1,099.00 - $1,149.00
Consistency in training leads to better results, which is why using a consistently accurate and reliable power meter is vital. Quarq's Active Temperature Compensation, which is calibrated with over 10,000 data points, makes their ELSA R accurate to within 1.5%. Carbon crankarms deliver the power to the road and keep the Riken light on the climbs. ANT+ technology lets you hook up your desired compatible head unit (sold separately), the LED indicator flashes when the power meter is on, and the single, easily replaced CR2032 battery lasts for up to 300 hours of ride time. - Compatible with 10/11-speed SRAM, Shimano (10-speed only) Rotor, FSA, Praxis, WickWerks, and other chainrings - Chainrings and bottom bracket are sold separately - 110 BCD
Quarq Riken R 130 BCD Power Meter Crankset
$1,099.00 - $1,149.00
Consistency in training leads to better results, which is why using a consistently accurate and reliable power meter is vital. Quarq's Active Temperature Compensation, which is calibrated with over 10,000 data points, makes their ELSA R accurate to within 1.5%. Carbon crankarms deliver the power to the road and keep the Riken light on the climbs. ANT+ technology lets you hook up your desired compatible head unit (sold separately), the LED indicator flashes when the power meter is on, and the single, easily replaced CR2032 battery lasts for up to 300 hours of ride time. - Compatible with 10/11-speed SRAM, Shimano (10-speed only) Rotor, FSA, Praxis, WickWerks, and other chainrings - Chainrings and bottom bracket are sold separately - 130 BCD
Fox Racing Shox 36 Float 29-inch Factory Series w/Fit Damper & HSC/LSC Adjustment
$1,049.00
More than an enduro race fork. Now featuring an EVOL air spring and updated upper tubes for unparalleled small bump sensitivity, the 36 is even smoother than before. The exceptionally strong 36 continues to expand the range of damper and axle options, including Boost and Performance Elite models, that’s made it wildly popular among aggressive trail riders and enduro racers. "Factory" says it all. The best-of-the-best technology we have to offer is available in our Factory Series models with our buttery smooth, and ultra durable Genuine Kashima Coat. These products are World Cup proven. - NEW FLOAT EVOL air spring adds plushness - Back-to-back Men's EWS Championship-winning platform - FIT damper - Factory Series models feature Genuine Kashima Coat - HSC/LSC adjustment
RockShox Pike RCT3 Solo Air (27.5-inch)
$1,030.00
RockShox's Pike RCT3 Solo Air is the ultimate fork for all-mountain and enduro riding. Burly 35mm stanchions, magnesium lowers, and a lightweight hollow forged aluminum crown deliver supreme stiffness to rip down the toughest enduro courses. When the bumps come hard and fast, RockShox's Charger damper keeps the fork high in the travel to maintain proper bike geometry, all while soaking up everything from flowy dirt ribbons to crazy rock-strewn goat paths. The RCT3 three-position switch changes between full travel, lockout and threshold modes so you can save your legs on a transition stage and open it up to pin the next timed downhill.
RockShox Pike RCT3 Solo Air (29-inch)
$1,005.00
RockShox's Pike RCT3 Solo Air is the ultimate fork for all-mountain and enduro riding. Burly 35mm stanchions, magnesium lowers, and a lightweight hollow forged aluminum crown deliver supreme stiffness to rip down the toughest enduro courses. When the bumps come hard and fast, RockShox's Charger damper keeps the fork high in the travel to maintain proper bike geometry, all while soaking up everything from flowy dirt ribbons to crazy rock-strewn goat paths. The RCT3 three-position switch changes between full travel, lockout and threshold modes so you can save your legs on a transition stage and open it up to pin the next timed downhill.
Specialized Turbo Levo Battery with Rock Guard
$900.00
The Custom Li-Ion Turbo Levo Battery has a 504Wh capacity and works with all Turbo Levo models. The battery also includes an ANT+/ Bluetooth module that enables the bike to work with the Specialized Mission Control App or any other ANT+ device. Lastly, it has a rock guard and all of the hardware required for installation. - Battery features a 504Wh capacity - Works for all Turbo Levo models - ANT+/Bluetooth module works with Specialized's Mission Control App and any other ANT+ device - Includes rock guard and all hardware
Fox Racing Shox 36 Float 29-inch Performance Elite Series w/Fit4 Damper & 3-Position Lever Adjustment
$889.00
More than an enduro race fork. Now featuring an EVOL air spring and updated upper tubes for unparalleled small bump sensitivity, the 36 is even smoother than before. The exceptionally strong 36 continues to expand the range of damper and axle options, including Boost and Performance Elite models, that’s made it wildly popular among aggressive trail riders and enduro racers. Performance Elite forks retain the same adjustments, dampers, weight, and 7000 series aluminum upper tubes as Factory Series, but have black anodized upper tubes instead of Genuine Kashima Coat. A Performance Elite graphics package is found on these forks to tie in the black-on-black look. - NEW FLOAT EVOL air spring adds plushness - Back-to-back Men's EWS Championship-winning platform - FIT4 damper - 3-position lever adjustment
RockShox Reverb AXS
$800.00
Our intention with Reverb AXS was inventive and pure: No hoses. No routing. No energy wasted. Not a single thing in the way of the experience. We created a reliable wireless-electronic dropper post and controller that actuates with drastically less effort and zero distraction. Expanding what's possible on a bike, Reverb AXS is enabled by SRAM AXS technology, a new level of interaction, personalization, and connectivity across all AXS-enabled components. - Effortless Electronic-Wireless actuation and infinite height adjustment with a single touch. - Clean, simple and fast to install. No hoses to route, no fishing required. - Updated internals for faster return speed in all conditions. - New Vent Valve Technology, a simple and reliable built in service solution without disassembly of the seatpost. - SRAM AXS technology, a new level of interaction, personalization, and connectivity across all AXS-enabled components. - Includes RockShox AXS handlebar controller, rechargeable SRAM battery, and charger.
Shimano Dura-Ace 9100 11-Speed Dual Control Levers
$264.99 - $699.99
- Quick And Intuitive Rear Shifting Operation - Shorter Lever Stroke - Redesigned Internal Shifting Unit - Lighter Front Shifting Operation - Redesign Front System With New Front Derailleur - Comfortable Grip And Operation - More Customizable And Precise Lever Position - Expanded Reach Adjustment Range (14 Mm) Mechanical Brake - Consistent Braking Performance In Any Condition
Shimano Dura-Ace 9150 Di2 11-Speed Dual Control Levers
$339.99 - $685.99
- More Control And Confidence In Race Conditions - Optimally Balanced Hydraulic Brake System For Racing - Dedicated Brake Lever Shape, Stroke, Contact Point, Stiffness And Dedicated Shift Paddles - Light Weight - Carbon Composite Plastic Material Of Hood - More Intuitive, Quicker Shifting Operation - More Defined Click Feeling And Ergonomic Shift Lever Position - Customizable Function To Fit Any Riding Style - Each Switch Has The Option For Multi-Shift On Or Off - E-Tube Project - Optimum Power Transmitted With Grip Firmly - Ideal Ergonomic Cover Shape With Better Thickness & Tenderness - Openable Hood Cover - Simple Set Up And Maintenance - Easy Replace Hood Cover - Openable Hood Cover - Customizable The Function To Fit In Rider'S Riding Style
Specialized Enduro Ohlins Shock
$650.00
The Ohlins Enduro Shock Absorber for 26/650B/29 provides the ultimate in low-hysteresis damping performance for enduro riding & racing, whether it's in straight line or side load scenario. The Shock Absorber also features a three-way external adjust for high- and low-speed compression, as well as rebound, for total fine-tuning capability. The adjustment ranges are intuitive, as well, with external adjustments for high-speed compression, low-speed compression, and rebound damping. Spring rates are also highly adjustable for all weights, effectively rounding out the shock as the complete enduro package. - It's the original gold standard for moto, and now, it's the gold standard for enduro. - Upper eyelet pin reducer hardware specific for the Enduro 26/650B/29. - Internal bladder features a motocross-inspired design, plucked ripe from the MX legends at Ohlins. - Ultra-fine spring rates ensure the perfect spring rate across all weights. This guarantees optimal performance for any setup. *Please note that springs are sold separately. - Designed for external adjustments for high- and low-speed compression, as well as rebound damping. - Compatible with Enduro 26 model year 2014. - Compatible with Enduro 650B from model years 2015 to 2016. - Compatible with Enduro 29 from model years 2013 to 2016. - Compatible with MY17 & MY18 Enduro 29 and 650B models.
Specialized Ohlins SJ FSR 650b/29 Shock Absorber
$650.00
The Ohlins SJ FSR Shock Absorber for 650b/29 provides the ultimate in low hysteresis damping performance for enduro riding & racing, whether it's in straight line or side load scenario, The Shock Absorber also features a three-way external adjust for high- and low-speed compression, as well as rebound, for total fine-tuning capability. The adjustment ranges are intuitive as well, with external adjustments for high-speed compression, low-speed compression, and rebound damping. Spring rates are also highly adjustable for all weights, effectively rounding out the shock as the complete enduro package. - It's the original gold standard for moto, and now, it's the gold standard for trail riding. - Upper eyelet pin reducer hardware specific for the MY16-18 SJ FSR. - Internal bladder features a motocross-inspired design, plucked ripe from the MX legends at Ohlins. - Ultra-fine spring rates ensure the perfect spring rate across all weights. This guarantees optimal performance for any setup. *Please note that springs are sold separately. - Designed for external adjustments for high- and low-speed compression, as well as rebound damping. - Compatible with Stumpjumper FSR and Rhyme FSR 650b and 29 (model year 2016-2018). - Uses specific Ohlins ultra lightweight steel springs. *Please note that springs are sold separately.
Specialized Ohlins STX-Stumpjumper/Rhyme FSR
$649.99
The Ohlins STX22 Air Shock for the Stumpjumper FSR & Rhyme works off of a three-way, externally adjustable design that allows for both high- and low-speed compression, as well as rebound adjust. The adjustment ranges are specifically for trail riding, so they are easy to dial-in for the perfect feel. And as with the TTX, the third position on the high-speed adjuster features additional platform damping that's suited for climbing stability without sacrificing traction for technical trail sections. - Ohlins's first air sprung MTB shock, it's aimed towards the enduro/trail market to meet the increasing demands in high performance suspension products. - AUTOSAG enables the fastest, easiest, and most accurate way to set up your suspension. - Proprietary STX Technology offers three-way, externally adjustable shock with low- and high-speed compression, plus rebound adjust. - Third position on the high-speed adjuster is an additional platform damping—a stability mode facilitating long climbs, while maintaining enough traction to handle technical trails. - A high quality seal incorporates a bushing that only sees support when the shock sees high side loads, like in corners or during a quick change in directions, so you get more grip, control, and bump absorption. - 197mm x 48mm - Compatible with 2016 – 2018 Stumpjumper FSR & Rhyme models.
Specialized Ohlins STX22 Air - Enduro Shock
$610.00
The Ohlins STX22 Air Shock for the Enduro works off of a three-way, externally adjustable design that allows for both high- and low-speed compression, as well as rebound adjust. The adjustment ranges are specifically for all mountain riding, so they are easy to dial-in for the perfect feel. And as with the TTX, the third position on the high-speed adjuster features additional platform damping that's suited for climbing stability without sacrificing traction for technical trail sections. - Ohlins's first air-sprung MTB shock, it's aimed towards the enduro/trail market to meet the increasing demands in high performance suspension products. - AUTOSAG enables the fastest, easiest, and most accurate way to set up your suspension. - Proprietary STX Technology offers three-way, externally adjustable shock with low- and high-speed compression, plus rebound adjust. - Third position on the high-speed adjuster is an additional platform damping—a stability mode facilitating long climbs, while maintaining enough traction to handle technical trails. - A high quality seal incorporates a bushing that only sees support when the shock sees high side loads, like in corners or during a quick change in directions, so you get more grip, control, and bump absorption. Size: 216 x 57mm, Specialized Enduro fit Weight: 380 grams
Shimano Dura-Ace 9100 11-Speed Crankset
$599.99
- Optimum Power Transfer - Best Balance For Lighter Weight (-7G) And Efficiency - New Designed Crank Arm - Maintains High Rigidity And Reduces Weight - Hollowglide - 4-Arm Construction Crankset - Adapted For Race Specific Disc Brake System - Shorter Length Of Rear Center With O.L.D. 135mm - Redesign The Gear Teeth Profile To Fit Wider Gear Pitch - 50-34T/53-39T/54-42T/55-42T/52-36T - Iconic Design - Chain Line: 43.5
Specialized Power Cranks - Shimano Ultegra Upgrade Kit
$525.00
Whether you're looking to take your training to the next level or you simply want a better way to measure energy expenditure, a power meter is your best bet. And the Power Cranks Ultegra Upgrade Kit are no exception. With our lightweight power sensors on a Shimano Ultegra crankarm, it's the perfect way to enter the power meter game. The development of Power Cranks began with our Human Performance Team looking at riders in realistic scenarios on the bike. Historically, power meters have been validated by two different methods—one is by measuring the produced torque by applying a static, linear load to a crankarm or chainring, while the second uses a power generating motor to pedal the bike. Well, cycling is neither static nor linear, and humans apply power much differently than a machine. So, we found that neither of these methods answers the 'real-world' accuracy question. To get the best test for accuracy, in all types of riding scenarios, we built our own cycling treadmill, the WinMill, to measure power output to a known truth. This new benchmark lets us evaluate accuracy under all riding conditions—seated versus standing, various power and cadence levels, different weights, and a myriad of gear. This data acquisition process is our gold-standard for testing power meters, and through our testing and external validation from the Locomotion Lab in Boulder, Colorado, Power Cranks have been proven to have the highest accuracy in real-world scenarios (+/- 1.5%). The Power Cranks are also easy to live with, with class-leading temperature compensation firmware and waterproof enclosures. Calibration is only required during seasonal-type fluctuations in temperature, and the included wrench makes battery swaps a breeze. - +/- 1.5% real-world accuracy tested on the WinMill and validated by the Locomotion Lab in Boulder, CO. - Works with ANT+ and Bluetooth® devices. - Easy set-up and diagnostics with the Specialized Power app. (iOS and Android versions available). - Shimano 8000 generation Ultegra left-side power measurement. - Right crankarm and spider NOT included. - Available in 170-175mm crankarm lengths.
Specialized Power Cranks - Shimano Ultegra Upgrade Kit
$525.00
Whether you're looking to take your training to the next level or you simply want a better way to measure energy expenditure, a power meter is your best bet. And, the Power Cranks Ultegra Upgrade Kit is no exception. With our lightweight power sensors on a Shimano Ultegra crankarm, it's the perfect way to enter the power meter game. The development of Power Cranks began with our Human Performance Team looking at riders in realistic scenarios on the bike. Historically, power meters have been validated by two different methods—one is by measuring the produced torque by applying a static, linear load to a crank arm or chainring, while the second uses a power generating motor to pedal the bike. Well, cycling is neither static nor linear, and humans apply power much differently than a machine. So, we found that neither of these methods answer the "real-world" accuracy question. To get the best test for accuracy, in all types of riding scenarios, we built our own cycling treadmill, the WinMill, to measure power output to a known truth. This new benchmark lets us evaluate accuracy under all riding conditions—seated versus standing, various power and cadence levels, different weights, and carrying various types of gear. This data acquisition process is our gold-standard for testing power meters, and through our testing and external validation from the Locomotion lab in Boulder, Colorado, Power Cranks have been proven to have the highest accuracy in real world scenarios (+/- 1.5%). The Power Cranks are also easy to live with, with class-leading temperature compensation firmware and waterproof enclosures. Calibration is only required during seasonal-type fluctuations in temperature, and the included wrench makes battery swaps a breeze. - -/+ 1.5% real-world accuracy tested on the WinMill and validated by the Locomotion Lab in Boulder, CO. - Works with ANT+ and Bluetooth devices. - Easy set-up and diagnostics with the Specialized Power app (iOS and Android versions available). - Shimano 8000 generation Ultegra left-side power measurement. - Right crank arm and chainring NOT included.
SRAM XX1 Carbon Eagle DUB Boost Crankset
$515.00
The XX1 Eagle DUB crankset has been re-examined and re-engineered. Featuring SRAM’s DUB technology, this design simplifies the relationship of the spindle to the bottom bracket. DUB-powered cranksets mean simplicity, compatibility, and durability. - SRAM DUB technology creates a lighter, stiffer and stronger crankset - Carbon-tuned lay-up crank design provides extreme stiffness and light weight - Included direct mount X-SYNC 2 chainring provides significantly quieter performance, with better mud clearing and durability - Chainring is designed specifically for Eagle chains and drivetrains - DUB compatible bottom bracket sold separately - Boost Compatible - BB Included: No - Chainring BCD: SRAM Direct Mount - Crank Intended Use: Mountain - Number of Chainrings: Single - Drivetrain Speeds: 12, 11, 10 - Spindle Interface Type: SRAM DUB - Chainline/Hub Compatibility: 141/148 Boost Hubs
Shimano Dura-Ace 9100 Dual-Pivot Brake Caliper
$189.99 - $499.99
- The Best Balance Between Rigidity, Weight And Stopping Power - More Predictable, Linear Braking Curve - Clear Contact Feeling With Better Linearity - Stabilizer Added Between Axles Work - Sleek Design - Less Gap Between Each Arms - Comfortable Riding With Wider Tire On Rough Road - Better Clearance With Wider Tire - Compatible With 28C Tire Size
RockShox Reverb Stealth Adjustable Seatpost w/ Connectamajig
$471.00
On leg-burning climbs, crazy fast descents and rolling technical terrain, RockShox's Reverb Stealth dropper post enables you to attack the trails like never before. Just hit the hydraulic remote lever and drop your saddle 100mm to 150mm of infinitely adjustable travel without ever slowing down! The return speed is easily adjustable by turning a dial on the remote while the triple-lipped sealing system and sealed hydraulic hose keep dirt out for clean, consistent operation. There's also an included collar that limits travel to a preferred height setting. This Reverb Stealth w/Connectamajig makes installing and removing the post easier and quicker.
RockShox Reverb Stealth Dropper Seatpost
$471.00
New Guts, New Glory Don’t let its familiar good looks fool you—Reverb is a whole new weapon. Its internals have been completely re-engineered to improve on its already legendary performance and to offer enhanced reliability: all the smallest details, down to the single seal, have been re-evaluated and updated to pass the hardest and longest durability tests. Additional bushing overlap also improves performance over time, while new 150- and 170-millimeter travel options are available to tame even the gnarliest of descents. This is the brand-new Reverb, engineered for the next-generation mountain biker. - Completely redesigned internals with new SKF internal floating piston - Improved performance and durability in all conditions - 150mm and 170mm travel options available in all diameters - Increased bushing overlap - New dedicated post length per travel length - WEIGHT: 560g (weight based on 340mm post, 30.9mm diameter, 100mm travel, MMX remote with shifter hardware and 1300mm hose) - LENGTH: 340mm, 390mm, 440mm, 480mm - COLORS: Black - MATERIAL: Shaft: 3D forged 7050 alloy , Head: 7050 forged alloy - OTHER: Zero Offset , Remote: Adjustable return speed at the handlebar, Discrete or Match Maker X, Left or right - AVAILABLE IN: Travel: 100/125/150/170mm ; Diameter: 30.9/31.6/34.9mm
Race Face SixC Crankarms
$459.99
- The carbon crank arms are completely hollow with all unnecessary material being removed from the centre core - no internal aluminum spine - Industry standard 30mm spindle with Cinch spline interface. The spindle is CNC machined from a newly commercialized aluminum 'super alloy' that is 20% stronger than 7050 alloy (the alloy commonly used in this application) - Removable spider offers the ability to convert between existing chainring standards while remaining flexible to future developments - The interchangeable spindle option of the Cinch system allows you to use the same crankset with 68/73mm and 83mm frames
Crank Brothers Candy 11 Pedals
$450.00
Crank Brothers' Candy 11 is the pedal to sate a racer's sweet tooth. This customizable pedal boasts integrated traction pad technology to refine fit, feel and power transfer, while titanium components shave weight. A ribbed body helps your foot grab the pedal body when you've unclipped, though the four-sided entry will have you engaged and off on the first try. Rely on chamfered edges to reduce rock-strikes, and a hex alloy end cap bash guard to help minimize damage to the pedal body.
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