NEW SRAM Force AXS Left Crank Arm and Power Meter Spindle Assembly - 12-Speed, DUB Spindle Interface, Iridescent Gray, D2 variant-size-39-eu-womens Four pawls with 140 points

Four pawls with 140 points of engagement per revolution

36V 418Wh Battery

Carbon-friendy compression ring captured in top cover

Chromoly steel

NEW SRAM Force AXS Left Crank Arm and Power Meter Spindle Assembly - 12-Speed, DUB Spindle Interface, Iridescent Gray, D2 variant-size-39-eu-womens Four pawls with 140 pointsPower measurement is a crucial part of training, so weve made it as easy as possible to upgrade your Force AXS ride with Quarq technology. DUB PWR takes the legendary reliability and accuracy of Quarq technology and inserts it into the crank spindle for clean integration that fits more bikes than ever. Its invisible technology that adds minimal weight and will help you get to the finish line faster. DUB PWR spindle based unit measures left side power