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Precise spacers keep your headset tight, and provide correct bike handling and component life. Lightweight and precisely parallel, Zipp carbon headset spacers are precision ground to keep your fork secure through every twist, turn and bump in the road. 1-1/8-inch diameter in 4, 8, 12, and 30 mm heights.

Zipp developed an extensive line of aluminum aerobar extensions to provide the perfect fit for any rider, regardless of size or riding position. Vuka Alumina Extensions offer three different bends to achieve your ideal fit. - Vuka Alumina Ski-Tip offers a hand position for long-haul comfort and speed. 185 grams. - Vuka Alumina Race features 52mm of rise and places the wrists at a more natural bend to help riders remain in their tuck to optimize aerodynamics. 175 grams. - Vuka Alumina Evo are available in both a 70mm (176g) and 110mm (180g) rise. Designed to deliver improved aerodynamics by placing hands closer together to start airflow over the rider sooner, the shape of the Vuka Alumina Evo is crafted to feel as if the rider is shaking hands with the bar. This is achieved through the use of a multi-radius bend paired with a 20mm inward roll of the bar that can be adjusted to dial-in fit and achieve an ideal position.

- Includes 2 replacement pads and Velcro - May be used with the older Vuka Clip and Vuka Aero - Elbow pads embossed with Zipp brand logo

Zipps' Vuka Alumina Clip Risers work with the Vuka Alumina Above-Bar Clips (sold separately) and let you raise your armrest height. They're made of sturdy, lightweight aluminum and come in 10mm, 25mm, and 50mm sizes.

You have to get that handlebar height just right. It's more comfortable, more efficient, and helps keep your entire upper body healthier. Wheels Manufacturing has your well-being covered with a wide variety of sizes to ensure your bars are right where they need to be. - Spacers are sold individually or in packs of 5 or 10 spacers. Select options from the dropdown menus to display pack size

Wheels Manufacturing Clear Chainstay Protector w/ Alcohol Prep Pad keeps your frame's paint looking good and helps quiet any chain slap on the chainstay.

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M3x10 Flat Head Screws

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M4x8 Flat Head Screws Note: The mounting holes on Wheels Mfg DROPOUT-138 are 23mm apart, center-to-center. Do not confuse this hanger with Wheels Mfg DROPOUT-120.

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M3x10 Socket Head Screws

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (1) M4x12 Flat Head Screw, (1) M4x12 Socket Head Screw

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (1) M8 Chainring Bolt

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M3x10 Flat Head Screws

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (1) M8 Chainring Bolt

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (1) M8 Chainring Bolt

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M4x8 Flat Head Screws

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (1) M8 Chainring Bolt (Long - Bolt Only)

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (2) M4x8 Flat Head Screws

All Wheels Manufacturing replacement derailleur hangers are produced in their Colorado shop to exacting tolerances. - CNC machined 6061 aluminum - Black anodized finish - Includes (1) M8 Chainring Bolt

- Replacement pull-up spring for the Surly Chain Tensioner

- Aluminum w/lock nut - 18mm long/6mm O.D.

- Routes cables underneath the bottom bracket - Will not rust or corrode

- Use: S.I.S. - Length: 30mm

The spindles are manufactured for Stages Cycling by Full Speed Ahead, forged and machined out of aluminum to allow for the carbon Stages Power meter for FSA 386 EVO and Stages Carbon 30mm model to be used with many SRAM BB30 road and SRAM BB30 mountain bike drive side cranks, as well as SRAM DUB MTB, Race Face Next SL and Specialized S-Works Road. The Stages Power meter 30mm spindles are specifically designed to meet or exceed the performance of the manufacturer's stock component, while allowing the retro fit of the new carbon Stages Power Meter to a rider's SRAM and Race Face drivetrain. Stages Cycling BB spindles are available in six options: A) SRAM Red 22 BB30 B) SRAM Force 22, Rival 22, Force/Rival CX1 C) 2015MY SRAM BB30 mountain cranks - 9mm spacer* D) 2015MY SRAM BB30 mountain cranks - 15.5mm spacer* E) Race Face Next SL - 168mm q factor F) Specialized S-Works Road - 2017/2018MY G) SRAM DUB MTB * Not compatible with 156mm Q-factor

Keep the weight down and your headset snug with the Specialzied Carbon Steerer Tube Plug.

2-bolt dropout mount, allowing a bike to be kept upright. - Made of durable aluminum - Compatible with: Crosstrail and Ariel A1 Disc bikes (up through MY14) - 2012-2014 Hardrock and Myka models - Crossroads and Expedition models (up to MY13) with 2-bolt dropout mount

Tool-less, 3-position training wheel installation/removal system. - Closed-cell foam tires - Tubular steel arms - Compatible with 2013-present Hotrock 20-inch models only

This minimal ISCG 05 chain guide is designed to promote pedaling efficiency and low drivetrain drag while keeping the chain securely on the chainring through rough terrain.

Re-engineered clamp with an optimized center-loaded bolt design equalizes load distribution to ease position adjustments. With this clamp set you will be able to clamp metal 7x7mm saddle rails and Specialized FACT carbon 7x9mm saddle rails. - 7x7mm and 7x9mm replacement clamp set for all Specialized road seatposts equipped with a single-bolt cylindrical wedge clamp design - New design clamp for better clamping and non-slipping of the saddle

- Wears and functions like other links on the chain - SIL-TEC surface treatment - Tool free installation possible - TL-CN10 is available as SM-CN900-11 - Single use

Shimano's Di2 electric drivetrain takes shifting to the next level. Two Di2 Battery Chargers are available. Choose the model designed for your system's battery. An additional power cable is required for the external-style battery charger (sold separately). These chargers fully charge the battery in 90 minutes.