Rival 2x Powermeter E1

swannyscycles Verified independent store

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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 (les s than 40g heavier than standard crankset) Crisp and accurate front shifts Integrated one-piece chainrings SRAM Model ID: FC-RIV-P-E1 Show more