SRAM Rival AXS E1 WIDE Power Meter Spindle Left Crank Arm Size:165mm the crank arms promise a

the crank arms promise a blend of lightweight performance and durability

low profile and packed with features

Suitable for mounting on carbon seatposts

You can pedal with greater efficiency

tubeless prepared

SRAM Rival AXS E1 WIDE Power Meter Spindle Left Crank Arm Size:165mm the crank arms promise aInvisible technology that will help you get to the finish line faster? Yes please. Our Rival power meter unit is entirely contained within the DUB spindle for effortless integration with any bike. Just install, pair, and ride. Features Spindle based unit measures left side power to calculate total watts Long battery life (400+ hours) to power a season of rides User replaceable lithium AAA battery DUB bottom bracket adds durability and simplicity