The SRAM Rival AXS E1 DUB Power Meter Direct Mount Crankset offers integrated power measurement in a robust, lightweight, and efficient design. It features aluminum arms, direct mount chainrings, and a spindle-based power meter for accurate data without compromising shifting or ride quality. Key benefits include a spindle-based power meter measuring left-side output for total power calculation, an integrated AAA lithium battery with over 400 hours of runtime, and a lightweight design adding less than 40g to a standard crankset. It is compatible with DUB bottom brackets for simplified setup and improved bearing durability, boasting an IPX7 waterproof rating for reliability in all weather conditions. The direct mount aluminum chainrings with X-Range gearing ensure crisp, consistent front shifts and wide gear coverage. This crankset is ideal for cyclists seeking consistent and accessible power data, balancing accuracy, simplicity, and value. Its one-piece chainring structure maintains drivetrain stiffness and precise shifting, while the long-life battery and waterproof design ensure performance across varied conditions. It is designed to seamlessly integrate with modern 12-speed road setups using DUB bottom brackets. Equip your training and racing setup with a crankset that delivers essential data without trade-offs in weight, shift quality, or durability, built for performance you can trust every ride. Specifications: Speeds: 12, BB Compatibility: All SRAM Road DUB BBs, Chainring Size: 46/33T, 48/35T, Crank arm length: 160mm, 165mm, 170mm, 172.5mm, 175mm, Chainline: 45.0mm, BB Spindle Interface: DUB, Chainring material: Aluminium, Guard: No Guard, Bolt Circle Diameter (BCD): Direct Mount (DM), Crank arm material: Aluminium, Colour (Crank arm): Black, Power meter: Yes, Power Meter Type: Spindle.