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The SRAM Rival 2x E1 power meter integrates spindle-based watt measurement with 400+ hour battery life into a 48/35T crankset with DUB interface for road racing. It's a lightweight, user-serviceable power meter for training and racing.
- Spindle-based unit measures left side power to calculate total watts
- Long battery life (400+ hours) to power a season of rides
- User replaceable AAA lithium battery
- Lightweight (less than 40g heavier than standard crankset)
- Crisp and accurate front shifts
- Integrated one-piece chainrings
Pairs well with

SRAM Rival 2x Powermeter E1
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