SRAM Rival Power Arm/Spindle E1
The SRAM Rival Power Arm with spindle-based power meter measures left-side watts and calculates total power with 400+ hour battery life on a standard AAA. It suits gravel racers upgrading existing Rival E1 cranks with power measurement.
- Upgrade your existing Rival E1 crankset with spindle based power
- Spindle-based unit measures left side power to calculate total watts
- Long battery life (400+ hours) to power a season of rides
- User replaceable lithium AAA battery
- Lightweight (less than 40g heavier than standard crankset)
- SRAM Model ID: PM-RIV-ASSY-E1
Pairs well with
SRAM Rival Power Arm/Spindle E1
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