SRAM Rival AXS Left Crank Arm Power Meter Spindle Assembly - 160mm 12/13-Speed DUB PM Spindle BLK E1 Model=Derailleur Alignment Gauge Go light with 45 miles

Go light with 45 miles on the default built-in battery

Unique cutouts on the base designed to compress upon impact and quickly rebound for continuous shock absorption

Twin Skin - An additional rubber coating on the side protects against cuts and allows for uniform coloring

4” x 4” x 3” (XC11 29") 208 g / 7

Fore drilling makes the rim completely airtight eliminating the need for a rim tape and saving 30g per wheel

SRAM Rival AXS Left Crank Arm Power Meter Spindle Assembly - 160mm 12/13-Speed DUB PM Spindle BLK E1 Model=Derailleur Alignment Gauge Go light with 45 milesThe 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