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. With wide compatibility, long battery life, and weather-sealed reliability, it delivers dependable performance for data-driven training.The spindle-based power meter measures left-side output, calculating total power from one side for a cost-effective way to track training loads. It boasts an integrated AAA lithium battery with a 400+ hour runtime, ensuring minimal maintenance and consistent operation. The lightweight design adds less than 40g to a standard crankset, maintaining a responsive ride feel. DUB bottom bracket compatibility simplifies setup and improves bearing durability for a smooth, low-maintenance ride. The crankset has an IPX7 waterproof rating, sealing it against water intrusion for enhanced reliability in all weather conditions. It includes direct mount aluminum chainrings with X-Range gearing for crisp, consistent front shifts and wide gear coverage. This crankset is ideal for cyclists seeking consistent and accessible power data, offering a smart balance of accuracy, simplicity, and value. SRAM's one-piece chainring structure maintains drivetrain stiffness and precise shifting, while the long-life battery and waterproof design ensure performance across varied conditions. It fits seamlessly into 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. It's built for performance you can trust every ride.Specifications:Speeds: 12BB Compatibility: All SRAM Road DUB BBsChainring Size: 46/33T, 48/35TCrank arm length: 160mm, 165mm, 170mm, 172.5mm, 175mmChainline: 45.0mmBB Spindle Interface: DUBChainring material: AluminiumGuard: No GuardBolt Circle Diameter (BCD): Direct Mount (DM)Crank arm material: AluminiumColour (Crank arm): BlackPower meter: YesPower Meter Type: Spindle