SRAM Rival AXS E1 Power Meter Spindle Left Crank Arm GiantMaySale Insert valve through valve hole

Insert valve through valve hole in rim

a complex dimpling pattern first developed for our top-level NSW wheel lineup

The result is superior structural rigidity and direct

Along with fast-wicking properties to keep you dry and hygienic

SRAM Rival AXS E1 Power Meter Spindle Left Crank Arm GiantMaySale Insert valve through valve holeInvisible 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