Chris King R45D Rear Hub - 12 x 142mm, Center-Lock, XDR, Black, 28H top-cap The Ultegra ST-R8020 series left

The Ultegra ST-R8020 series left shifter/hydraulic disc brake levers bring greater rider control in all conditions

Osprey Hydraulics Replacement Parts Water Pack Part UPC: 843820161113

SRAM DB8 Stealth Disc Brake and Lever Disc Brake & Lever UPC: 710845905582

Item Specifications Cage Length Medium Chain Wrap Capacity (teeth) 34 Color Black Drivetrain Speeds 12 Largest Cog 44 Rear Der/Shifter Compatibility SRAM eTap AXS Rear Derailleur Mount Type 10x1 Standard

The Dark Polar - GX D1 finish not only adds a touch of elegance to your bike but also provides added protection against corrosion and wear

Chris King R45D Rear Hub - 12 x 142mm, Center-Lock, XDR, Black, 28H top-cap The Ultegra ST-R8020 series leftR45D hubs combine low drag 45 tooth RingDrive system, a lightweight hub body, and legendary made in house bearings. The result is the increased power and modulation of disc brakes, the fast, smooth rolling speed of our bearings, and the superior responsiveness of our RingDrive engagement system when you put the power down. Patented RingDrive system with 45 simultaneously engaged points of contact for virtually drag free engagement Easily serviceable