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Wireless PowerMeter - SRAM S975 BB30 Compact

SRAM S975 BB30 Compact

Wireless PowerMeter - SRAM S975 BB30 Compact

The SRM Wireless Powermeter SRAM S975 (8 strain gauges) has an accuracy of ±2%.
The SRAM Wireless PowerMeter takes a 110mm BCD large chain ring and small chain ring. It can be set up with standard 50/34 and only fits frames with a BB30 bottom bracket.


  • SRM Wireless PowerMeter
  • Cranks BB30
  • Chainrings

Note: Bottom bracket is not included!

PowerMeter weight: 742g excl. BB
BCD (Bolt Circle Diameter): 110/110
Q-Factor: 145mm
Battery lifetime: 1400h
Power and Cadence transfer via: Wireless only (ANT+Sport)


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