SRAM Rival AXS E1 Power Meter Upgrade

Description Our most advanced aluminum cranks meet our most accessible power measurement. Get the data you need to progress, integrated into a light, stiff and strong crankset that features our X-Range shifting. 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 AAA lithium 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) Crisp and accurate front shifts Integrated one-piece chainrings Available in 46/33T and 48/35T chainring combos Use with road derailleurs, and XPLR derailleurs on bikes with chainstay lengths 414 mm and shorter Specifications Speeds 12 BB Compatibility All SRAM Road DUB BBs Chainring Size 46/33T, 48/35T Chainring Offset 0mm Crank arm length 160mm, 165mm, 170mm, 172.5mm, 175mm Chainline 45.0mm BB Spindle Interface DUB Chainring material Aluminum Bolt Circle Diameter (BCD) Direct Mount (DM) Power meter Yes Power Meter Type Spindle Bottom Bracket Technology DUB Cranksets Type Road Chain Technology Road Flattop D1, Road Flattop E1 Drivetrain Configuration 2x Technology (FD) Road-Yaw Front Tooth Jump 13 Chainring Mount Interface DM 8-Bolt