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> Bicycling > Parts

Parts

3263 Results
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Wheels Manufacturing Inc. Derailleur Hanger 293
$40.00

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Fastener is not included - Replaces Cannondale Part # E123007-2 R3 (KP432) - For DT Swiss Thru Axle Not the same as DROPOUT-295.… [more]

Surly Pacer Fork
$100.00

Surly's Pacer Fork is a great all around steel road bike fork. Able to accommodate tires up to 32c, or 28c with a fender, this fork will get you where you need to go with a smooth, supple ride. Single eyelets at the dropouts allow for some bolt on parts, and the classic black powdercoat is tres… [more]

Jagwire M10 Adjusting Barrel
$19.99

Jagwire's M10 Adjusting Barrel is a 10 x 1.0mm-threaded replacement cable-adjusting barrel. It's the right replacement part for most mountain bike brake levers. It's made of durable metal with a lockring for locking your adjustments. You get a pack of 10. [more]

Jagwire M7 Adjusting Barrel
$11.99

Jagwire's M7 Adjusting Barrel is a 7 x 1.0mm-threaded replacement cable-adjusting barrel. It's the right part for many older style mountain bike brake levers. It comes in two models and is made of durable metal with a lockring for locking your adjustments. You get a pack of 10. [more]

Fizik Cyrano R1 Stem
$120.00

Stems need to be light, simple, and rock solid. Fizik checked all the boxes with their Cyrano R1 Stem. The Cyrano stem forms an integral part of Fizik's Spine Concept fitting technology. A four-bolt face plate provides excellent torsional stiffness, and the choice of lengths and angles ensures that… [more]

Shimano Dura-Ace Di2 Dual Control Electronic Shift/Brake Levers
$749.99
Product Rating
 
5.0 stars
 (1 Review)

Imagine a world where every shift is immediate, smooth and precise, every gear, every time. Well, that world can be yours with Shimano's Dura-Ace Di2 Dual Control Shift/Brake Levers, a key part of their Dura-Ace Di2 electronic drivetrain. With a simple, light touch of the easily accessed buttons,… [more]

SRAM CX1 X-Sync Chain Ring
$82.00 - $89.00

Mud and moving parts are enemies in the sport of cyclocross. That's why SRAM decided they were going to simplify things. Remove the front derailleur, increase the range of the cassette, make dropped chains a thing of the past, and you've got a cross drivetrain worthy of hammering. SRAM's CX1 X-Sync… [more]

Wheels Manufacturing Inc. Derailleur Hanger 132
$32.00

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Trek Part #282088 Notes: - Post on this hanger is 20mm (.825) in length with an M12 x 1.75 thread. Please check your hanger… [more]

Wheels Manufacturing Inc. Derailleur Hanger 275
$38.50

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Norco part #959375-16 - (1) M8-DROP192BOLT included Notes: - For use with direct mount Shimano XTR, XT or SLX rear derailleur. -… [more]

Wheels Manufacturing Inc. Derailleur Hanger 276
$38.50

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Norco part #959375-16-1 - (1) M8 Bolt for DROPOUT-276 included Notes: - For use with direct mount Shimano Saint rear derailleur.… [more]

Surly Cable Hanger
$10.50

One of the coolest things about Surly is if they can't find an existing part that fits their standards, they just make one themselves. This cable hanger is made to fit around the oversize bolt on their Constrictor seatpost clamp so you can be sure it will fit around almost any other seatpost clamp… [more]

Surly MWOD Chainrings
$93.00

Trust Surly to come up with a reasonable solution to a bizarre problem. The Surly MWOD chainring set moves a bike's chainline away from the spinning tire allowing for the use of super wide tires on extra wide rims. The genius part is that it doesn't increase the Q factor (a.k.a. width of the bottom… [more]

Shimano Ultegra R8010 Direct-Mount Brake Caliper
$74.99 - $84.99

Shimano Ultegra R8010 direct-mount type brake caliper. - Direct mount brake - Direct brake mounts connect directly to the frame to reduce redundant parts and increase overall braking performance - Sleek design - Narrower gap between arms - Wider clearance with larger tire sizes - Compatible with… [more]

SRAM X-Sync EX1 Chainring
$20.00

The EX1 drive train was designed specifically for the demands of electric-assist mountain bikes: a wide gear range with bigger jumps between gears and sturdy components to handle higher torque loads. Liberal use of features found on SRAM’s high end MTB parts provide high value, quiet operation and… [more]

RockShox Reverb Top Cap Assembly B1
$30.90

The Top Cap Assembly on your Reverb contains a dust wiper and bushing. These parts need to be in good shape for the continued smooth operation of your Reverb. This top cap includes the cap, dust wiper, and bushing. - Fits B1 generation RockShox Reverb seatposts - B1 posts have a black return speed… [more]

Problem Solvers Micro-Adjustable Headset Spacer
$28.15

The Problem Solvers Micro-Adjustable Headset Spacer goes on the fork (it requires 10mm of clearance on the steerer) and locks in place to retain your headset bearing adjustment. This makes it possible to run your fork and headset without a star nut or compression plug. This 2-part threaded… [more]

Parlee Cycles Stem
$325.00

Parlee’s carbon stem is a masterpiece of strength, beauty and performance. It utilizes a 35mm bar clamp diameter that offers sharp steering precision while the two-part face plate is forged for longevity. Titanium bolts are mated to replaceable aluminum inserts throughout, protecting your… [more]

Odyssey High Pressure Rim Strips
$4.99

When you can’t even see a part, you might forget about it, but it doesn’t mean its not important. Flat tires are probably the most common bicycle failures. Many times, flats are caused by the rims, specifically the lack of protection from the rims' sharp edges. Good rim strips didn’t exist for BMX… [more]

Odyssey Pursuit Grips
$9.99

Odyssey Pursuit grips feature a wavy horizontal ribbing and other design cues to mimic how people usually wear their grips in. A textured section at the outer end allows for a very comfortable feel overall. The flat part of the grip takes its inspiration from Odyssey's popular Pursuit tire tread… [more]

Jagwire Road Pro Complete Cable Kit

Jagwire's Road Pro Complete Cable Kit is the perfect way to upgrade your shifting and braking while adding some style to your bike, too, since it comes in many colors. The kit provides everything needed to replace your Shimano or SRAM shift and brake cables including Jagwire's super-smooth… [more]

Jagwire Universal Sport Brake Cable Kit
$21.99 - $23.99

Jagwire's Universal Sport Brake Cable Kits are the perfect way to enhance your braking performance while adding a little style to your bike, too. Compatible with both mountain and road brakes, the slick stainless cables provide smooth, powerful braking. And with the housing and all the needed parts… [more]

Jagwire Universal Sport Brake XL Cable Kit
$26.99

Jagwire's Universal Sport Brake XL Cable Kits are the perfect way to enhance your braking performance while adding a little style to your bike, too. Compatible with both mountain and road brakes, and in an extra-long size, the slick stainless cables provide smooth, powerful braking. And with the… [more]

Jagwire Universal Sport Shift Cable Kit
$21.99

Jagwire's Universal Sport Shift Kits are the perfect way to enhancing shifting performance and precision and add style to your bike, too. Compatible with Shimano, SRAM, and Campagnolo systems, the slick stainless cables provide smooth, precise shifts, excellent durability and corrosion resistance.… [more]

FSA SL-K Stem (+/- 6-degrees)

Lighter than ever, and with great looks to boot, FSA's SL-K stem is a pro-level way to upgrade your bike's part spec. 3D-forged and CNC-machined aluminum is super light and incredibly stiff. The carbon fiber faceplate adds style and even greater weight savings. The offset steerer clamp provides… [more]

Cane Creek 110 ZS56 Conversion Headset Bottom
$67.50

Super-smooth steering, quality materials, cutting-edge design and serious durability are all hallmarks of Cane Creek's 110 headsets. Technical Description: ZS56/30/H4/x Bottom Type: ZS - ZeroStack Bottom Head Tube Inside Dia.: 55.95mm Crown Race Seat Dia.: 30.015mm Crown Race Type: Aluminum,… [more]

Bontrager Madone XXX Integrated Bar/Stem KVF Aero
$599.99

The Madone is built as a seamlessly integrated machine designed to do one thing: go fast. Trek's Madone Integrated Bar/Stem is an important part of that integration. Available in a variety or widths and reaches so you can dial in your superbike specifically for you. - Compatible with model year… [more]

Bontrager Race Lite Stem
$59.99

Bontrager's Race Lite Stem is a reliable race-ready part worthy of high-end road and mountain machines. Thanks to its one-piece, cold-forged 6061-T6 aluminum construction, it's strong, light and stiff. The CNC-machined 4-bolt faceplate is ultra tough and evenly distributes clamping forces your… [more]

Shimano Deore XT Shadow Rear Derailleur Direct Mount (Long Cage)
$84.99

Shimano's Deore XT Rear Derailleur uses cold-forged construction and cutting edge technology to deliver crisp shifting, real-world reliability, and trademark precision. The Direct Mount uses less parts and provides a solid connection to your machine. The Shadow design tucks the rear derailleur… [more]

SRAM Force 22 ErgoDynamic Shifters
$171.00 - $341.00

Comfort plays a big part in speed—that's why SRAM designed the Force 22 ErgoDynamic Shifters with an ErgoFit textured body and refined hood shape that improve grip and provide a smooth transition to the bar. These 2x11-speed shifters are crafted with carbon and magnesium for an incredibly low… [more]

SRAM GX DH X-Actuation Trigger Shifter
$43.00

The authentic click of the GX DH Trigger Shifter means it’s time to sprint out of the corner, set up for the next big table, or put in that last kick to the finish line. A critical component in the lineup, the GX DH shifter is engineered in Germany to deliver clockwork-accurate shifting when you… [more]

3263 Results
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Chain Reaction Bicycles is your local bicycle shop for the San Francisco Bay Area! Unlike some other shops, we are dedicated 100% to serving the needs of local cyclists; our offerings are exclusively available for in-store pickup. You will find us at 1451 El Camino Real, Redwood City CA, 94063. 650 366 7130. Our Los Altos location closed on September 24th, 2017; we have consolidated all operations within our Redwood City flagship store.  Our hours and directions may be found here. We look forward to taking care of all of your cycling needs, including service! Mike & Steve Jacoubowsky, Partners, Chain Reaction Bicycles. Serving you since 1980!