SRAM Rival E1 DUB Left Arm and Power Meter Spindle - 12/13 Spd (170 mm

Sram:SRAM Rival E1 DUB Left Arm and Power Meter Spindle (Right Arm/Bb/Spider/Chainrings Non Included) Invisible technology that will help you get to the finish line faster? Yes please. Our Rival power meter unit is entirely contained within the DUB spindle for ceffortless integration with any bike. Just install, pair, and ride. Features 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 DUB bottom bracket adds durability and simplicity Waterproof (IPX7 waterproof to 1 meter for 30 mins) Lightweight (less than 40g heavier than standard crankset) SPECIFICATIONS Speeds 12/13 Crank arm length 160mm, 165mm, 170mm, 172.5mm, 175mm BB Compatibility All SRAM Road DUB BBs, All SRAM Road WIDE DUB BBs