SRAM Rival AXS Wide Left Crank Arm and Power Meter Spindle Assembly - 172.5mm, 12/13-Speed, DUB PM Spindle, Black, E1 Brake & Derailleur Cables 139790-Q0-L

139790-Q0-L

UPC: 888571044186

MU6121 BR6455 120749

164379-Q0-L

SRAM replacement cogs allow riders to repair damaged or worn out cogs to extend the life of the cassette and provide smooth reliable shifting

SRAM Rival AXS Wide Left Crank Arm and Power Meter Spindle Assembly - 172.5mm, 12/13-Speed, DUB PM Spindle, Black, E1 Brake & Derailleur Cables 139790-Q0-LThe 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,