The SRM PowerMeter which has gained the most publicity in recent years, has surely been the SRM-SRAM S975 PowerMeter. With seamless integration into the SRAM Red 11 speed component group.The SRM-SRAM PowerMeter is available in BSA/GXP or BB30 crank arm combinations. The PowerMeter incorporates the carbon S900 series crank set made by SRAM exclusively for power measurement devices. Combined with SRM's accuracy and durability, the SRM SRAM PowerMeter delivers true world-class performance!Available in both 130mm BCD (53/39) and 110mm BCD (50/34) or (52/36).
The SRM SRAM S975 Power Meter (8 strain gauges) has an accuracy of ±1.5%. Includes:
- SRM Wireless PowerMeter
- SRAM S975 Carbon Crank Arms
- Praxis Works Chainrings or optional SRAM YAW 11-Speed Chainrings
- Cadence Magnet
Bottom bracket is not included!
PowerMeter weight: 742g excl. BB
BCD (Bolt Circle Diameter): 110
Battery lifetime: 1400h
Power and Cadence transfer via: Wireless only (ANT+Sport)