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$699.00
The absoluteBLACK's HOLLOWcage® Oversized Derailleur Pulley Cage for Shimano 9100 / 8000 features a revolutionary mono-plate design to provide quiet and precise shifting.
- Designed for use with Shimano Dura Ace 9100 / 9150 / 9170 , and Ultegra 8000 / 8050
- Fits up to a 32T cassette
- The Silent Xring Pulley dampens the chain impact on the guide pulley teeth, eliminating the engagement noise
-Flexible cage design aligns better with the angle of the chain when using the higher gears of the cassette
- HOLLOWcage uses abnormally large, bespoke, full ceramic bearings that make the pulleys incredibly stiff for greater shifting precision
- Upper pulley features tall teeth to provide improved shifting precision

$6.00
Zipp Speed Weaponry Vuka Extension End Plugs
- Plastic bar end plug pair for 22.2mm extensions

$12.00
Designed for use with the Zipp SL Speed Seatpost; an internal mount to hold a Shimano DI2 seatpost battery.
- Mount compatible only with B1 SL Speed seatpost
- Weight: 18g for 27.2mm, 19g for 31.6mm

$25.00
Vuka Alumina Clip Risers are designed for use with the Vuka Alumina Clip's above-bar option. The risers are designed to offer a wider range of adjustability within the Vuka Alumina aero-cockpit system.

$27.00
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.

$60.00
Zipp developed an extensive line of aluminum aerobar extensions to provide the perfect fit for any rider, regardless of size or riding position. Vuka extensions are designed to deliver improved aerodynamics by placing hands closer together and nearer to the rider’s head to start airflow over the rider sooner. Designed with input from top bike fitters, 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.
- Clean internal cable routing for easy installation
- Length: 360mm

$60.00
Zipp developed an extensive line of aluminum aerobar extensions to provide the perfect fit for any rider, regardless of size or riding position. Vuka extensions are designed to deliver improved aerodynamics by placing hands closer together and nearer to the rider’s head to start airflow over the rider sooner. Vuka Alumina Race Extensions feature 52mm of rise, along with a bend that places the wrists at a more natural bend to help riders remain in their tuck to optimize aerodynamics.
- Clean internal cable routing for easy installation

$172.00
The perfect bike fit needs to blend slippery aerodynamics and a comfortable, stress-free body position while optimizing control over the bike. Top fitters are constantly devising new methods to maximize and balance these goals. Designed using feedback from top fitters, Zipp’s Vuka Carbon Extensions give you all the options needed to optimize your position and go for the win or your personal best: Vuka Carbon Evo extensions decrease drag by starting airflow over the body sooner while keeping the arms and wrists in a comfortable, relaxed position. The Evo shape, with a 20mm inward roll and multi-radius bend, is constructed using carbon fiber, allowing for even more complex shaping and lighter weight.
- Compatible with all 22.2mm clip-on systems
- Material: Unidirectional carbon
- Internal cable routing
- Length: 380mm

$298.00
- Includes 61803 bearings and one grease syringe
- Measurable wattage savings between 1.5 and 9 watts per bearing set, depending on the level and condition of your existing bearings
- Note: 88 front and 188v9 rear hubs are on all 2014 and newer Zipp 202, 303, 404, 808
- One kit required for: Zipp 88, 30 and 60 front hubs Zipp 188v8 rear hubs Zipp ALL free hub driver bodies
- These 61803 bearings are not interchangable with the 77/177 hub 61803 bearings

$298.00
- Includes 61903 bearings and one grease syringe
- Measurable wattage savings between 1.5 and 9 watts per bearing set, depending on the level and condition of your existing bearings
- Note: 88 front and 188v9 rear hubs are on all 2014 and newer Zipp 202, 303, 404, 808
- One kit required for: Zipp 188v9, 30 and 60 rear hubs

$298.00
- Includes 61803 (1) and 61903 (1) bearings and one grease syringe
- Measurable wattage savings between 1.5 and 9 watts per bearing set, depending on the level and condition of your existing bearings
- Note: 88 front and 188v9 rear hubs are on all 2014 and newer Zipp 202, 303, 404, 808
- One kit required for: Zipp Super-9, 900 tubular and Sub-9 disc rear hubs

$298.00
- Includes 61903 bearings and one grease syringe
- Measurable wattage savings between 1.5 and 9 watts per bearing set, depending on the level and condition of your existing bearings

$298.00
- Includes 61803 bearings and one grease syringe
- Measurable wattage savings between 1.5 and 9 watts per bearing set, depending on the level and condition of your existing bearings
- These 61803 bearings are not interchangable with the 88/188 hub 61803 bearings

$3.95
The Tanpan ferrule converts standard Tanpans to Tanpan inlines.
- Coverts Tanpan into Tanpan Inline

$9.95
This stem cap is where your bike fashion sense and the weight weenie in you collide. This Ultralight and ultra-sleek stem cap integrates a 5mm, 10mm or 15mm headset spacer with your stem cap in finely machined piece. Why have extra steerer tube requiring spacers on top of your stem you ask? Well, many carbon steerers require that the steer tube extend above the stem. Also, riders may want the flexibility to move handlebar height up and down for different types of riding or for bike re-sale.
- Design and manufactured in Minneapolis, MN USA
- 1 1/8" top (straight 1 1/8" or 1 1/2" to 1 1/8" taper) steerer tubes only
- 6061-T6 aluminum
- 5mm internal cylinder wall height
- Black aluminum bolt included
Total weight (cap + bolt): 5mm= 12g. Compare to a standard flat stem cap and steel bolt at 20 grams + spacers add even more.

$10.00
Wolf Tooth Headset Spacers for Trek Knock Block are machined in the USA out of aircraft grade aluminum.
- Compatible with Trek Knock Block system
- These spacers have unique raised features that key to Knock Block compatible stems (made by Bontrager)
- 1 1/8" top (straight 1 1/8" or 1 1/8" to 1 1/2" taper) steerer tubes only

$19.95 - $34.95
Offered in multiple sizes and applications, Wolf Tooth Components' ReMount places your dropper lever in a more ergonomic position tha allows you to keep a better grip on the bar while actuating your dropper post.
- Available in standard 22.2mm diameter for MTB bars, as well as Shimano I-Spec A&B, I-Spec II, and SRAM MatchMaker options
- Designed to work with cable-actuated dropper levers with pivots parallel to the handlebar's length
- Allows a dropper post remote to be below the bar and on its side for better ergonomics

$22.00
The RoadLink is a simple device that offsets the position of your Shimano road derailleur to make it possible to run a wide-range mountain bike style cassette. It is an ideal solution for riders looking to convert their road, gravel, cyclocross, or commuter.
- The RoadLink is optimized for use with ten or eleven-speed 11-36t and 11-40t cassettes
- 11-42 or 10-42 setups are not supported
- Works with all 10-11 speed Shimano and SRAM Road Derailleurs
- Best used with Single or Double Setups - see manufacturer's site for more details
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