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The absoluteBLACK's HOLLOWcage® for SRAM eTap AXS RED and Force 12-speed derailleurs makes the AXS drivetrain whisper quiet. It features a carbon-polymer mono-plate construction with bespoke, oversized, full ceramic bearings and one of the most advanced silencing pulleys ever made. - Designed for use with SRAM RED and Force AXS drivetrains - The Silent Xring Pulley dampens the chain impact on the guide pulley teeth, eliminating the engagement noise - Incredibly silent (over 12dB noise reduction vs stock) - HOLLOWcage uses full ceramic bearings (Silicon Nitride ceramic balls and Zirconia Oxide ceramic races) that make the guide pulleys incredibly stiff for greater shifting precision - One of the lightest oversized cages on the market (69g) - Works with 10-28t, 10-33t, and 10-36t cassettes - Not compatible with SRAM XPLR or 11-speed RED/Force - ONLY works with AXS flat top chain

The absoluteBLACK's HOLLOWcage® for Shimano 9100 and 8000 derailleurs makes the 9100 and 8000 drivetrains whisper quiet. It features a carbon-polymer mono-plate construction with bespoke, oversized, full ceramic bearings and one of the most advanced silencing pulleys ever made. - Designed for use with Shimano Dura-Ace 9100 / 9150 / 9170 , and Ultegra 8000 / 8050 drivetrains - Fits up to a 32t cassette - The Silent Xring Pulley dampens the chain impact on the guide pulley teeth, eliminating the engagement noise - Incredibly silent (over 12dB noise reduction vs stock) - HOLLOWcage uses full ceramic bearings (Silicon Nitride ceramic balls and Zirconia Oxide ceramic races) that make the guide pulleys incredibly stiff for greater shifting precision - Upper pulley features tall teeth to provide improved shifting precision - One of the lightest oversized cages on the market (71g) - Not compatible with Ultegra Long GS cage derailleurs

The absoluteBLACK's HOLLOWcage® for Shimano 9100 and 8000 derailleurs makes the 9100 and 8000 drivetrains whisper quiet. It features a carbon-polymer mono-plate construction with bespoke, oversized, full ceramic bearings and one of the most advanced silencing pulleys ever made. - Designed for use with Shimano Dura-Ace 9100 / 9150 / 9170 , and Ultegra 8000 / 8050 drivetrains - Fits up to a 32t cassette - The Silent Xring Pulley dampens the chain impact on the guide pulley teeth, eliminating the engagement noise - Incredibly silent (over 12dB noise reduction vs stock) - HOLLOWcage uses full ceramic bearings (Silicon Nitride ceramic balls and Zirconia Oxide ceramic races) that make the guide pulleys incredibly stiff for greater shifting precision - Upper pulley features tall teeth to provide improved shifting precision - One of the lightest oversized cages on the market (71g) - Not compatible with Ultegra Long GS cage derailleurs

The absoluteBLACK's HOLLOWcage® for Shimano Ultegra 8150 12-speed derailleurs makes the 8150 drivetrain whisper quiet. It features a carbon-polymer mono-plate construction with bespoke, oversized, full ceramic bearings and one of the most advanced silencing pulleys ever made. - Designed for use with Shimano Ultegra 8150 drivetrains - Fits up to a 34t cassette - The Silent Xring Pulley dampens the chain impact on the guide pulley teeth, eliminating the engagement noise - Incredibly silent (over 5-7dB noise reduction vs stock) - HOLLOWcage uses full ceramic bearings (Silicon Nitride ceramic balls and Zirconia Oxide ceramic races) that make the guide pulleys incredibly stiff for greater shifting precision - One of the lightest oversized cages on the market (71g)

The absoluteBLACK Oval Chainguide is designed specifically for oval chainrings, keeping the chain secure at every single crank position - Fully compatible with oval chainrings - The adjustable 48-53mm chainline makes it compatible with most bike setups - Includes titanium hardware and spacers

The absoluteBLACK Oval Chainguide is designed specifically for oval chainrings, keeping the chain secure at every single crank position - Fully compatible with oval chainrings - The adjustable 48-53mm chainline makes it compatible with most bike setups - Includes titanium hardware and spacers

The absoluteBLACK Oval Bash Guide is designed specifically for oval chainrings, keeping your chain secure at every single crank position. This bash guard system provides exceptional durability with maximum weight savings thanks to intelligent design and titanium hardware. - Fully compatible with oval chainrings - The adjustable 48-53mm chainline makes it compatible with most bike setups - Includes titanium hardware and spacers

Zipp Speed Weaponry Cartridge Bearings

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.

- 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

- 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

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

- Plastic bar end plug pair for 22.2mm extensions

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

ZIPP Service Course Bar End Plugs, Qty 2.

Zipp's Stem Top Cap and Bolt are designed to work specifically with Zipp stems. The eight-gram aluminum cap and nine-gram-bolt are the same as those used on bikes built for Zipp-sponsored professional teams. The bolt has a T25 Torx head for ease of adjustment and so you need only one tool for your Zipp cockpit.

Zipp Speed Weaponry Bolt Kits

Zipp Speed Weaponry Vuka Aero Center Cap Kit - Bolt kit sold separately

Zipp Speed Weaponry Vuka / Stealth Riser Kit - Bolt kits sold separately

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

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

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

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

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.

The VukaClip is all about providing the ultimate in fit, security, and adjustability for you to be faster and more efficient in your triathlon or time-trial aero position at an affordable price. Redesigned to be easier to set up and adjust, the VukaClip has a large, redesigned armrest to reduce pressure points and increase comfort. The VukaClip is made with the industry-standard 22.2mm clamp diameter for maximum versatility, making it compatible with most extensions on the market. Designed with input from top bike fitters, the shape of the Vuka Evo Extensions are 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. - Bar-setting fit, security, and adjustability - Extension material: Unidirectional carbon

Wolf Tooth ShiftMounts are adapter mounts that allow you to integrate SRAM and Shimano shifters with several different brakes from Shimano, SRAM, and more. Handlebar space is prime real estate and the ShiftMount seamlessly integrates brakes and shifters for a clean look. - Designed to work with rear (right side) brakes and shifters - Consult the brake and shifter manufacturers to understand which mounting interface you have on your brakes and shifters - For handlebar clamp ShiftMounts tighten clamp bolt to 1-2 Nm max torque - 6061-T6 aluminum - ISEV-ISB is for a Shimano I-SPEC EV shifter mounting to a Shimano I-SPEC B brake

Wolf Tooth ShiftMounts are adapter mounts that allow you to integrate SRAM and Shimano shifters with several different brakes from Shimano, SRAM, and more. Handlebar space is prime real estate and the ShiftMount seamlessly integrates brakes and shifters for a clean look. - Designed to work with rear (right side) brakes and shifters - Consult the brake and shifter manufacturers to understand which mounting interface you have on your brakes and shifters - For handlebar clamp ShiftMounts tighten clamp bolt to 1-2 Nm max torque - 6061-T6 aluminum - ISEV-ISII is for a Shimano I-SPEC EV shifter mounting to a Shimano I-SPEC II brake

- ShiftMounts are adapter mounts which allows you to integrate SRAM and Shimano shifters with several different brakes from Shimano, SRAM, and Magura. - Handlebar space is prime real-estate and this ShiftMount integrates seamlessly for a clean look. - 6061 T6 aluminum - Weight: 8g - Made in the USA

- ShiftMounts are adapter mounts which allows you to integrate SRAM and Shimano shifters with several different brakes from Shimano, SRAM, and Magura. - Handlebar space is prime real-estate and this ShiftMount integrates seamlessly for a clean look. - 6061 T6 aluminum - Weight: 8g - Made in the USA

- ShiftMounts are adapter mounts which allows you to integrate SRAM and Shimano shifters with several different brakes from Shimano, SRAM, and Magura. - Handlebar space is prime real-estate and this ShiftMount integrates seamlessly for a clean look. - 6061 T6 aluminum - Weight: 8g - Made in the USA