SRAM Apex AXS Wide Left Crank Arm Power Meter Spindle Assembly - 170mm 12-Speed DUB Spindle Interface BLK D1 ISO Width (mm)-65 Freehub Body SRAM XD-R Hub

Freehub Body SRAM XD-R Hub Model Solix SL Rim Construction Double wall Rim Material Aluminum Wheel-Brake Comp

Double "X" bridge shape allows for precise gear shifting

Nickel plated finish

Bleeding Edge technology offers easy and clean bleeds

Misc Standard 42

SRAM Apex AXS Wide Left Crank Arm Power Meter Spindle Assembly - 170mm 12-Speed DUB Spindle Interface BLK D1 ISO Width (mm)-65 Freehub Body SRAM XD-R HubSRAM Apex AXS Wide Left Crank Arm and Power Meter Spindle Assembly 170mm 12 Speed DUB Spindle Interface Black D1. Accurate 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