The SRAM Quarq S975 delivers wireless power from a lightweight, Red level crankset.
The integrated Quarq CinQo unit provides accurate power data to +/- 2% and features a tool-less, user-replaceable battery. ANT+™ technology offers easy compatibility with leading display units like the Garmin Edge® computers, CycleOps Joule® and Specialized Speedzone Pro® units.
SRAM's S900 carbon fiber arms, a CNC machined AL spider and the proven SRAM Red Black chainrings provide efficient power transfer and flawless shifting while keeping weight to a minimum.
The SRAM Quarq S975 GXP Crankset is available in Standard (53/39T) and Compact (50/34T) chainring configurations. Compatible with SRAM GXP Bottom Brackets. Does not include bottom bracket, head unit, or training software. Various arm lengths. 145mm "Q-Factor." 779g (actual; 172.5mm).