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

Fits both Presta and Schrader valves

12mm thickness withstands the abuse of BMX riding

Pedals won`t wobble or budge unlike other detachable/folding pedals

Cast body and lever blade bushing lever pivot

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