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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 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

5-Speed Sturmey Archer Coaster Brake Trike Conversion Kit - 21T Front Drive Cog - 22T Rear Transfer Cog - 24T Axle Drive Cog - Cable stop required when installing on Sun Atlas Industrial Cargo Trike

Three-Speed Sturmey Archer Coaster Brake Trike Conversion Kit - 21T Front Drive Cog - 22T Rear Transfer Cog - 24T Axle Drive Cog - Cable stop required when installing on Sun Atlas Industrial Cargo Trike

- Lightweight, durable alloy clamp system designed specifically to work with the Contact SLR Aero Integrated or Contact SLR Aero handlebars for 2018+ Propel Advanced Disc and 2019+ Propel Advanced - Quick easy one bolt setup adjustment and wide-range armrest positioning - Fits Giant Contact SL/Connect SL bar extensions (22.2mm) - Armrest pads included

Giant's Connect SL U-Bend Carbon Aerobar Extension is for use with Giant's Clip-On Aerobar Clamps (sold separately). This model features the U-Bend. Thanks to carbon construction, this is a featherweight and super-stiff bar. Plus, it has 70mm of fore/aft adjustment to dial in your ideal aero position.

Your Sun Traditional Trike can be made even more useful with the addition of twist-shift 7-speed gearing and a powerful rear disc brake! This complete kit includes all necessary components for converting your 2016 or later Sun Traditional Trike to a 7-speed derailleur system with a mechanical disc brake, giving you an easy and efficient ride up and over any type of hill and smooth, safe stopping on the other side. The parking brake feature on both front and rear brake levers allows you to lock either or both brakes simultaneously to load or unload with ease. Simple and common parts mean easy maintenance for years of use. Kit includes all components including items such as cable ties and other small parts for an original-equipment look. - Sun Race M30 7-speed twist shifter - Sun Race M40 7-speed direct-mount derailleur - Sun Race M3 7-speed freewheel (13-15-17-19-21-24-28T) with 15mm trike axle adapter - 36T x 1/2" x 3/32" chainring - K.M.C. Z51 1/2" x 3/32" chain - Promax DSK-300 mechanical disc brake and mounting hardware - Promax 160mm stainless steel rotor with 15mm trike axle adapter - Promax BL-46K 4-finger brake lever with parking lock - High-density black foam grips, 92mm left side / 130mm right side - Kit includes all parts needed for complete installation - Kit only compatible with 2016 or newer Sun trikes with rear derailleur and disc brake mount on rear unit

Comprehensive shop kit for bottom bracket and cassette/freewheel spacing need. 139 pieces in a durable plastic storage box. Kit includes: - (20) 1.0mm FW Spacers - (10) 1.5mm FW Spacers - (10) 2.0mm FW Spacers - (10) NCS-4.5mm Cassette Spacers - (10) SHIM-.3MM Spacers - (10) SHIM-.5MM Spacers - (8) 0.5mm 24mm ID Spacers - (8) 1.0mm 24mm ID Spacers - (8) 2.5mm 24mm ID Spacers - (4) BB30-CLIPs - (4) BB30/PF30 Wave Washers - (4) GXP Wave Washers - (4) .7mm Bottom Bracket Spacers - (4) 1.8mm Bottom Bracket Spacers - (9) 2.5mm Bottom Bracket Spacers - (8) 0.5mm 30mm ID Spacers - (8) 1.0mm 30mm ID Spacers

- Compatible with Contact SLR Aero handlebar

- Compatible with 31.8mm round handlebars - Adjustable armrest adapts to a wide range position - Includes 20mm, 40mm, and 60mm spacers - Fits Giant Contact SL/Connect SL bar extensions (22.2mm)

Service your DT Swiss star ratchet hubs and wheels with DT Swiss Ratchet and Kits. - DT Swiss EXP 54 Tooth Upgrade Kit w/ Bearing

Gain an aerodynamic advantage with Origin-8's Tri Clip-On Aero Bars. These aluminum clip-ons fit a wide range of handlebars. With independent arm rests and bar-angle and reach adjustments, it's easy to get a great-fitting aero setup.

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.

Service your DT Swiss star ratchet hubs and wheels with DT Swiss Ratchet and Kits. - DT Swiss EXP 54 Tooth Upgrade Kit

Service your DT Swiss star ratchet hubs and wheels with DT Swiss Ratchet and Kits. - DT Swiss Star Ratchet Kit - 54T

Lock it and drop it Upgrade the look and feel of your MTB XC race cockpit with the DropLock Remote. By combining a dual-suspension lockout remote with an integrated dropper lever, you get a single remote that controls the functions of your suspension and dropper post. For the lockout, a single button controls both the on and off function of front and rear suspension. A single remote that combines a dropper lever with a dual-control suspension lockout for simple operation and clean setup. - Integrated dropper and dual-remote lockout lever for a cleaner cockpit - Single lockout lever controls both on/off - Removeable dropper lever - Compatible with mechanically activated droppers and suspension lockout systems

In the race against the clock, Bontrager's Race Lite Clip-On Aerobars S-Bend give you the advantage you need. Adjustable arm rests and extensions allow you to dial in your profile position so you can comfortably stay in a wind-slicing tuck. And the internal cable routing keeps everything out of the wind, nice and neat.

- Internal junction-A with two e-Tube ports - Externally facing charging port eases charging, especially for internal batteries - Mounts in road bar end or in frames with an integrated mounting point - For easier cable routing, use along with EW-JC130 three-way e-Tube cable

Giant's Connect SL S-Bend Carbon Aerobar Extensions are for use with Giant's Clip-On Aerobar Clamps (sold separately). This model features the S-Bend. Thanks to carbon construction, these are featherweight and super-stiff extension bars. Plus, they have 70mm of fore/aft adjustment to dial in your ideal aero position.

Giant's Connect SL Ski-Bend Carbon Aerobar Extensions are for use with Giant's Clip-On Aerobar Clamps (sold separately). This model features the ski-jump bend. Thanks to carbon construction, these are featherweight and super-stiff extension bars. Plus, they have 70mm of fore/aft adjustment to dial in your ideal aero position.

Service your DT Swiss star ratchet hubs and wheels with DT Swiss Ratchet and Kits. - DT Swiss Star Ratchet Kit - 36T

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

- Accessory base plate to mount EnergyPak Plus on the bike. - EnergyPak Plus accessory comes with a water bottle cage adaptor plate that can be mounted to the base plate when the EnergyPak Plus is not in use.

-Seatpost clamp for Propel Advanced ISP models (2013-2016)

• Converts a cassette hub to a single speed • 8 spacers included in various sizes to adjust chain line • Anodized 6061 aluminum • Fits Shimano/SRAM cassette bodies • Conical spacers for increased cog stiffness • Includes single-speed guide, spacers, as well as 18T & 16T cogs

- Provides enhanced chain retention for all 1x drivetrain systems - CNC machined AL6061 alloy mount with dual-compound chain guide - Co-molded composite and TPR guide plates greatly reduce noise from chain contact - Compatible with 28-38T circular and 26-36T oval chainrings - Boost-compatible - Easily adjustable - Mounting hardware included

• 6061-T6 tubular aluminum construction • Laser etched graphics • Independent arm rest and bar adjustment • Does not include armrests • Cannot mount shifters onto ends • Clamp diameter: 25.4-31.8mm • Extension length: 105mm

Shimano BT-R1A External Di2 Battery - All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions - Use Di2 system checker to update component firmware - Di2 External Battery, battery charger, and power cable are universal between Dura-Ace 9070, 7970, Ultegra 6870, 6770 and Alfine Di2 systems - Battery weight: 71 grams

DT Swiss Sinc Ceramic cartridge bearings. - The black dust cover is intended to be installed facing the hub and the tan seal is intended to face externally