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On Sale Bike Parts

Pioneer Power Meter Upgrade Kit
$307.73 $499.99 38% Off
Power to the people! Add the Pioneer Power meter to your existing Shimano crank. Pioneer's crankset-based power meters are simply some of the best power-monitoring systems on the planet, and the Upgrade Kit gives you the chance to add it to your existing crankset. At the heart of the Pioneer Power Meter System are two streamlined strain gauge monitors that can detect the slightest tangent and radial force direction as power is applied to the crank arms. This proprietary system detects the amount and the direction of force at 12 different points in each pedaling stroke for each leg, and allows you to fine tune your pedaling to find race-winning form. The Pioneer Power Meter Installation Kit comes with everything you need to package and send your existing Shimano crank to Pioneer for professional installation and calibration. - Compatible with Shimano Dura-Ace 9000 or Ultegra 6800 (Right Side Cranks Only) - Compatible Crank-arm Lengths: 165, 167.5, 170, 172.5, 175, 177.5, 180mm - Fully Integrated Strain Gauge for force measurement - Easy connectivity with ANT+ compatible Cycle Computers - HDPower Metrics when connected to Pioneer Cycle Computers - Lightweight Sensor Only 40 grams
SRAM XX1 Type 2.1 Rear Derailleur
$247.53 - $297.99 $297.99 17% Off
This one takes all your trail dreams, from XC to enduro, all the way to eleven. SRAM's XX1 rear derailleur packs a massive amount of technology into its compact, lightweight body. It uses a “horizontal parallelogram” design that limits all movement to the horizontal axis, reducing the force it takes to shift. The Type 2 clutch is brilliant. This self-lubricating, one-way roller clutch controls your chain tension to eliminate chain slap and give you smooth, consistent shifts over any terrain. For quicker, smoother, more exact shifting, the large upper pulley's offset design maintains a consistent chain gap across all gears.
Shimano XTR 10-Speed Cassette
$234.24 - $279.99 $279.99 16% Off
When it comes down to the wire, you can always count on Shimano's XTR 10-Speed Cassette for smooth, reliable shifting. The 5 largest cogs are made of titanium and mounted on a 3-piece aluminum carrier for increased rigidity and significant weight savings. Dyna-Sys design gives you closer gear ratios in the middle of the cassette, ensuring you'll have the perfect gear for the trail's ups and downs. Shimano's Hyperglide computer-designed ramps and tooth profiles ensure quick and accurate shifting
Shimano Ultegra R8000 Crankset
$222.04 - $276.99 $270.99 - $276.99 20% Off
Shimano Ultegra R8000 HOLLOWTECH II Crankset is hard to beat. It's lightweight, strong and will take your performance to the next level. It is a step up from the Dura-Ace R9100, with the four arm design and lightweight material. This crankset is versatile and designed to be used for a variety of riding styles. The superb combination of the chainring and crank arm make this a definite upgrade for any serious cyclist. - Optimized lightweight crank arm design produces excellent power transfer efficiency - Minimized weight without sacrificing stiffness - Hollowtech II - Rider tuned gear performance through various gear combinations - Possible to choose the best choice for ride - Redesigned FC for greater frame compatibility - Wider gear pitch increases clearance between chain and leading teeth to provide compatibility with frames with O.L.D. 135mm and 410mm chain stay length - Model Number : FC-R8000 - Series: Ultegra - Crank Construction: Hollowtech II - Crank Arm Length : 165, 170, 172.5, 175mm - Bottom Bracket : SM-BBR60/SM-BBR60-PB - Chain Line: 43.5 - Average Weight: 690 grams (53-39T), 681 grams (52-36T), 674 grams (50-34T), 668 grams (46-36T)
ENVE Seatpost
$210.01 - $275.00 $275.00 24% Off
Thanks to its strong one-piece molded carbon construction, ENVE's Seatpost is equally at home on technical singletrack and asphalt. Crafted from carbon, it boasts a stellar combination of feathery lightness and supermodel looks. And, its 2-bolt head offers easy angle and fore-aft adjustments. - Includes cradles for standard round and oval saddle rails - Length: 400mm - Weight: 204 grams (31.6mm version)
Bontrager XXX Stem
$160.60 - $274.99 $274.99 42% Off
The XXX Stem is still our lightest carbon fiber stem, but it's been redesigned with the new CnD shape profile for a more controlled and forgiving ride experience, providing you with consistent comfort to the Nth degree. - Seamless accessory integration with Blendr XXX - CnD shape profile increases torsional stiffness and vertical compliance - Double-barrel, single-bolt (M6) system clamps evenly and conveniently - 4-bolt dual band clamp securely holds handlebar - Uses high-quality M5 titanium face plate bolts with 5.2Nm torque spec - Safe for use with carbon and alloy steerer tubes and handlebars - Suitable for road or mountain use
Campagnolo Chorus EPS Braze-On Front Derailleur
$270.03 $400.00 32% Off
Campagnolo's EPS Chorus Front Derailleur is made with a featherweight carbon fiber body for an unbeatable stiffness to weight ratio. The high torque, high drive motor is made in Switzerland to ensure the ultimate in shifting precision and reliability. Plus, the cage sports a special surface treatment for added stiffness and durability. - EPS Electronic Power Shift electronic front derailleur. This front derailleur requires specific, separate EPS wire harness, battery pack, and shifters - Monolithic technopolymer, carbon fiber body for the best stiffness and weight possible - Features an alloy outer cage, steel motor and gear housing - Waterproof, high over torque motor-gear box creates solid, ultra fast, under load front shifts - Automatic re-positioning/trim depending on the rear cog selected - Ride Setting allows returning home in the inner chainring should battery power fall - Rings: Double - Speed: 11 - Derailleur Capacity: 16 - Min/Max: 34/55 teeth - Weight: 149g
Shimano Dura-Ace 11-Speed Cassette
$214.49 - $259.99 $249.99 - $259.99 14% Off
Shimano's Dura-Ace 11-speed Cassette is comprised of two aluminum cog carriers, 5 titanium and 6 steel cogs (from largest to smallest respectively). This makes for a super-light and stiff cassette for perfect shifting so you can dance up the climbs as easily and efficiently as your chain climbs up and down these cogs.
Shimano Dura-Ace Di2 Electronic External Rear Wiring Kit
$189.32 - $249.99 $249.99 24% Off
Shimano's Dura-Ace Di2 takes shifting to the next level. The Rear Wiring Kit connects to both the left and right shifters and Junction Box A (which displays battery power and allows manual adjusting). It also includes a battery mount, cable covers to route and hide the cables and a wire plug/unplug tool. The External Kit is meant to be run on the outside of the frame.
Shimano FC-MT900-1 12-speed Crankset
$147.55 - $229.99 $229.99 36% Off
- Special MTB gear teeth profile improves chain engagement and retention - Stiff and lightweight hollow forged crank maximizes power transfer while limiting weight - Chainline: 52mm - Bottom bracket compatibility: Hollowtech II
Shimano Dura-Ace Di2 Dual Control Electronic Bar-End Shift/Brake Levers
$227.00 $499.99 55% Off
When every second counts, you want Shimano's Dura-Ace Di2 Dual Control Electronic Bar-End Shift/Brake Levers at your disposal. These amazing time trial/triathlon-specific levers are for use with Shimano's Di2 drivetrain components (sold separately). With a simple, light touch of the easily accessed buttons, you get instant gear changes and squeezing the levers applies the brakes with authority. And, these carbon beauties feature spot-on ergonomics for smooth, controlled shifting and braking even when you're pushing yourself to your physical limit.
Shimano XTR Di2 Shift Levers
$75.00 - $226.99 $226.99 67% Off
• Customizable synchronized front and rear shifting via a single FIREBOLT shifter • Optional manual control (requires both shifters) • Ergonomic rotary shift lever design matches natural hand movement • Independent lever position adjustment • Short stroke, perfect click levers provide faster, more accurate shifting • Increased trail readiness thanks to decreased shift effort and superior ergonomics • Programmable, multi-shift and Shimano Synchronized shift functions, including control of Fox Racing Shox suspension components
Bontrager Affinity Elite TLR Road Disc Front
$223.01 $349.99 36% Off
Enjoy the power and confidence of disc braking on the road. The tubeless ready Affinity Elite TLR Disc wheel offers consistent braking and all condition performance for discerning riders. •Stacked Lacing provides a better spoke bracing angle for a stiffer wheel •TLR rims allow for quick transition to tubeless systems •OSB reduces wheel dish, improving stiffness and stability •Interchangeable axles for compatibility with more frames and forks (sold separately) •6061 aluminum rim with 23mm/17.5mm width (outside/inside), DT 14/17G spokes •Includes: TLR rim strip, TLR valve stem, internal cam quick release •No rider weight restrictions
Ritchey WCS Carbon 1-Bolt Seatpost
$143.61 - $209.95 $209.95 32% Off
- Patented SideBinder clamp design uses a single 5mm bolt for quick, secure adjustment - Precision forged alloy clamp assembly for strength - Low-profile head for optimal saddle clearance and sleek lines - Wide saddle clamp reduces stress on lightweight saddle rails - Interchangeable clamps provide compatibility for all popular rail sizes - Carbon Monocoque Construction - 7x7mm saddle rail clamp included - Saddle Clamp Torque Spec: 12Nm
Campagnolo Chorus 11-Speed Cassette
$114.00 - $209.00 $155.00 - $209.00 Up to 34% Off
Campagnolo's Chorus Cassette offers precise, fluid shifting for your 11-speed drivetrain. The teeth have been exquisitely engineered and machined from steel, then coated with a nickel-chrome surface treatment and mounted on an aluminum carrier for flawless shifts and excellent durability.
Bontrager Speed Concept Seatpost (Gen. 1)
$111.10 - $199.99 $199.99 44% Off
Bontrager's Speed Concept Seatpost lets you get your fit dialed before your next triathlon or time trial. It's crafted from OCLV carbon and the one-bolt head provides simple adjustments. Different offsets allow you to customize your riding position for superior ergonomics and aerodynamics.
Bontrager Yatra Pro Carbon Saddle
$110.00 - $199.99 $199.99 45% Off
Perform at your fullest potential on a saddle that can match your strongest outputs. The Yatra Pro Carbon provides the perfect combination of technology and dedicated design form to provide a beautiful blend of performance and compliance for posture 3 women riders. Carbon rails and channel flex increase compliance and a wider nose stabilizes and controls. - Performance Posture 3 for pelvic rotation with a balance of comfort and efficiency - Oversize carbon rails provide the ultimate in lightweight strength - Wider cutout and shaped nose yield stable comfort in an aggressive position - Women Specific Design is engineered to yield better fit and comfort for women - Recessed saddle cavity provides contour relief zone and eases pressure on soft tissue - Size Specific Curvature ensures each saddle is designed specific to its width - Carbon fiber-reinforced shell strikes a balance between strength and light weight
Shimano XTR Rapidfire Plus Shifter
$92.35 - $199.99 $115.99 - $199.99 20% Off
From top-tier XC racing to enduro shredding to working over your buddies, Shimano's XTR Rapidfire Plus Shifters offer unparalleled shifting quality. Two-Way Release shift levers keep shifts fast and intuitive, and multi-release capability means you have the power to grab multiple gears up or down, in an instant, letting you use Shimano's 11-speed XTR drivetrain to its full extent. And for a clean, simple handlebar setup, Shimano's I-spec II mounting system simplifies brake and shifter mounting. The front shifter can be converted for use with double or triple-chainring cranks, so you can experience XTR-quality shifting no matter what drivetrain you prefer.
Shimano Ultegra Di2 Dual Control Levers
$179.99 - $199.00 $179.99 - $359.99 45% Off
Shimano's Ultegra Di2 Dual Control Levers provide instantaneous, intelligent electric computerized shifting. With a simple, light touch of the easily accessed buttons, you get instant, perfect gear changes every time. They feature high-tech composite construction, too, for a feathery weight of 313 grams for the pair. Plus, the ergonomics are great, too, with comfortable hoods and anatomic levers for excellent shifting and braking control from all hand positions. And, because there are no cables and housing to stretch, wear or fail, you'll love Di2's amazingly operation year after year.
Cane Creek Thudbuster Seatpost
$147.60 - $185.00 $164.00 - $185.00 38% Off
Cane Creek's Thudbuster Seatpost adds comfort to any hardtail bike. Using a parallel-linkage design, the Thudbuster moves down and back at the same rate as the rear wheel moves forward and up when you hit a bump, helping you maintain control. The post and linkage is made of aluminum with Teflon coated steel bushings so you know it's built to last. And, the interchangeable elastomers (sold separately) can be easily exchanged to your preferences.
Shimano Ultegra 11-Speed Di2 Dual Control Levers
$164.99 - $185.00 $164.99 - $339.99 46% Off
Shimano's Ultegra Di2 shifters raise the bar for high-speed shifting and unbeatable ergonomics. With a simple push of a button, you get precise, near-instant gear changes. These sculpted beauties greet your hands with a flat transition from the handlebars to the hoods, and the blade design makes it even easier to reach the shift buttons from the hoods or the drops. Easy-to-add satellite shifters (sold separately) can be used for even easier access to the shift buttons from the bar tops or the drops. The use of electronics limit wear and tear on your shifting components, so you'll experience like-new, perfect shifting ride after ride.
Shimano XTR Shadow Plus Rear Derailleur (Medium Cage)
$183.28 $230.99 21% Off
From top-tier XC racing to punishing enduro stages, Shimano defines the rear derailleur with their XTR Shadow Plus 11-speed model. The Shadow design is already well known and loved for its direct cable routing and low profile that greatly lessens the risk of snagging your cable on roots or tagging your derailleur on rocks. Shimano's Plus derailleur technology is a one-way clutch system that stabilizes the cage and your chain when ripping over rough terrain. Chain slap and noise is virtually eliminated and dropped chains are practically a thing of the past. And of course, it retains XTR's legendary smoothness, light action and super precise shifting. The medium-cage design matches perfectly with XTR's double and single ring cranks and 11-speed cassette, offering a crisp, defined gear range.
Bontrager Hilo RXL Saddle
$101.11 - $179.99 $179.99 44% Off
Ride faster, farther, and in greater comfort with the advanced ergonomic support of Bontrager's Hilo RXL triathlon saddle. Designed to accommodate both a traditional seating position and the off-the-front seating position of a nose-less saddle, the Hilo RXL saddle features a full-length CRZ+ channel that allows you to stay in the aero position longer, rotate your hips farther forward, and unlock your power. Additional speed details like time-saving transition hooks and weight-saving hollow titanium rails are all engineered to help you get to the run fresher, faster, and in record time.
Shimano Dura-Ace Dual-Pivot Brake Caliper Direct-Mount
$117.46 - $179.99 $179.99 Up to 35% Off
Fast, technical descents demand confidence, and Shimano's Dura-Ace Dual-Pivot Brake Calipers set the standard in stopping power. Lightweight, cold-forged aluminum construction and symmetrical pivots offer consistent braking power and modulation. Exceptionally light action, enhanced control, and smooth operation come courtesy of twin pivot bearings. The Direct-Mount caliper integrates with frames specially designed for direct-mount brakes to further increase weight savings.
Fizik Aliante R5 K:ium Saddle
$78.81 - $175.00 $175.00 55% Off
Fizik's Aliante R5 Kium saddle blends the ideal combination of flex, form, fit, and strength to create a seat you'll enjoy riding for miles and miles. The carbon Nylon reinforced TwinFlex shell provides the strength and form of the Aliante, while the Kium rails add toughness and corrosion resistance with little weight penalty. The Microtex cover is rugged enough for daily use, too, so you get all the miles you can handle and then some. Its curvy design is more than just pretty looks: the wide rear of the saddle provides a perfect platform for your body weight, while the tapered middle and front are ideal for your natural pedal stroke. Take on your pavement ambitions astride the Aliante.
Fizik Arione CX w/Kium Rails
$92.01 - $175.00 $160.00 - $175.00 42% Off
Enjoy all-day comfort with Fizik's Arione CX saddle. This sweet seat features Fizik's Wing Flex shell, which flexes slightly at your thighs for a premium fit and more efficient pedaling. You'll also love the smooth Microtex sides that allow your legs to slide more freely without chafing. Plus, the Kium rails add a touch of lightness and durability, too.
Shimano Dura-Ace Di2 Electronic Front Wiring Kit (for use w/o Flight Deck Computer)
$65.00 - $169.99 $129.99 - $169.99 50% Off
Shimano's Dura-Ace Di2 takes shifting to the next level. The Front Wiring Kit connects to both the left and right shifters and includes the Junction Box A (which displays battery power and allows manual adjusting). It's for use without the Flight Deck Computer.
Fizik Arione
$80.54 - $159.99 $159.99 - $160.00 50% Off
Ride comfortably all day with Fizik's Arione saddle. This sweet seat features Fizik's Wing Flex shell, which flexes slightly at your thighs for a premium fit and more efficient pedaling. You'll also love the smooth Microtex sides that allow your legs to slide more freely without chafing. Plus, the Kium rails add a touch of lightness and durability, too.
Shimano XTR 1x11 Chainring
$104.27 - $159.99 $119.99 - $159.99 Up to 13% Off
Pair Shimano's 1x11 XTR chainring with an XTR rear derailleur and experience a simple, light drivetrain with exceptional chain management. A range of chainring sizes lets you customize your drivetrain for any terrain.
Thomson Masterpiece Seatpost
$114.00 - $159.95 $159.95 29% Off
The name says it all: Thomson's Masterpiece Seatpost combines the best materials, exceptional strength, perfect function, light weight and the classic beauty of all Thomson products. All Masterpiece posts are extruded and then painstakingly machined from a single block of ultra-strong 7000-series aluminum, and they all weigh less than 200 grams complete. This means you get a post tough enough for any ride on or off road and at a nice and light weight that will complement your dream bike. What's more, you get Thomson's easy-to-adjust and super reliable 2-bolt seat clamp that makes it a breeze to dial in your perfect seat position from minus 5 degrees to plus 29 degrees.