SRAM S975 SRM™ Power Meter Crankset GXP

A leader in the world of power measurement, and constantly driving innovation, the wireless S975 SRM integrates SRAM’s unidirectional carbon fiber crank arms matched to SRAM’s smooth shifting RED chainrings. The S975 wireless delivers all the function you expect to maximize your personal training and features ANT+ wireless technology for use with a range of wireless display devices.