SRAM Rival AXS Left Crank Arm Power Meter Spindle Assembly - 172.5mm 12/13-Speed DUB PM Spindle BLK E1 CheckoutSpec= 26 x 2.75-3.0 PV/48mm - Each designed for riders who demand

designed for riders who demand the best in performance and reliability

12mm thickness withstands the abuse of BMX riding

Cast body and lever blade bushing lever pivot

sealed cartridge bearings 6000 series alloy cups and materials Sealed steel crown race ZN40 Bearings

Rotor and adaptor sold separately Brake Lever Actuation Hydraulic Brake Caliper Type Flat Mount Rotor Included No Brake Lever Use Right Color Black Hydraulic Fluid Type Mineral Oil Pad Compound Semi-Metallic Hydraulic Hose Length 1900 Adjustable Reach Yes

SRAM Rival AXS Left Crank Arm Power Meter Spindle Assembly - 172.5mm 12/13-Speed DUB PM Spindle BLK E1 CheckoutSpec= 26 x 2.75-3.0 PV/48mm - Each designed for riders who demandThe Rival AXS left crank arm features a power meter entirely contained in the DUB spindle unit for effortless integration with any bike. Just install pair and ride. Rival AXS wide aluminum left crank arm with power meter spindle Spindle based power meter unit measures left side power to calculate total watts Long battery life to power a season of rides Waterproof (IPX7 waterproof to 1 meter for 30 minutes) Right crank arm Bottom bracket Spider