SRAM Apex AXS Wide Left Crank Arm and Power Meter Spindle Assembly - 175mm, 12-Speed, DUB Spindle Interface, Black, D1 wheelset Fits both 4 notch (FSA

Fits both 4 notch (FSA and Cannondale) and 8 notch (Specialized) lockrings

Shimano Optislick Derailleur Cable and Housing sets Derailleur Cable & Housing Set UPC: 689228700611

Item Specifications Adjustable Reach Yes Brake Lever Actuation Short Pull Brake Lever Use Right Color Black Defined Color List Black Drivetrain Speeds 11 Includes Brake No Rear Der/Shifter Compatibility Shimano Road Shifter/Derailleur Compatibility Shimano

Upgrade Kits include Air Can

SRAM Apex AXS Wide Left Crank Arm and Power Meter Spindle Assembly - 175mm, 12-Speed, DUB Spindle Interface, Black, D1 wheelset Fits both 4 notch (FSAAccurate, reliable power measurement is practically a requirement these days, and the Apex AXS crankarm power meter upgrade is the easiest way to get precise power numbers. With the tech hidden inside the DUB spindle, it fits almost any bike while remaining stealthy. DUB PWR spindle based unit measures left side power to calculate total watts Proven Quarq reliability and accuracy Long battery life (400+ hours) to power a season of rides Waterproof