The PowerMeter used by Lance Armstrong and Team RadioShack is now available to consumers. Pair your SRM wireless PowerMeter with SRAM’s professional-grade unidirectional carbon crankarms for a lightweight and efficient setup that works perfectly with SRAM component groups.
The PowerMeter is available in two different versions: Compact for the SRAM S 975 GXP bottom bracket and for SRAM S 975 BB30 bottom bracket.
Crank: SRAM S975 GXP or SRAM S975 BB30
Cranks are available in lengths of 170, 172.5, 175 and 177.5mm
Chain Rings:
Bolt Circle Diameter (BCD) 110 mm
Standard: 34/50
Bottom Bracket: SRAM GXP Team (116 g) or SRAM BB30 (64 g) are not included in the scope of the delivery.
Weight:
SRAM S975 GXP compact 922 g with PowerMeter, cranks, chain rings and bottom bracket (116 g)
SRAM S975 BB30 compact 868 g with PowerMeter, cranks, chain rings and bottom bracket (64 g)
Strain Gauges: 8
Cadence Range: 30-255 rpm
Wattage Range: 0-4096 Watts
Wireless Protocol: Wireless ANT+ Sport
Accuracy: +/- 2%
Battery Life: 1400 hours of use
Q-Factor: 145 mm (incl. 1.6 mm pedal washers)
Compatible wireless with PowerControl 7 and PowerControl VI.
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