SRAM, Rival 2x Powermeter E1, Power Meter Crankset, Speed: 12, Spindle: 28.99mm, BCD: Direct Mount SRAM 8 Bolt, 46/33, DUB, 170mm, Black, Road

Description

* 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* SRAM Model ID: FC-RIV-P-E1