Unleash your gravel grinding potential with the cutting-edge SRAM Rival E1 XPLR Wide DUB Powermeter upgrade kit, a crank with power meter, designed specifically for the gravel enthusiast in mind. This high-performance crankarm is engineered with an aluminum axle and crank arm, ensuring lightweight durability that withstands the rigors of off-road adventures. Powered by a single AAA lithium battery, it boasts an impressive operating time of over 400 hours, letting you focus on your ride without worrying about power. With ANT+ and Bluetooth protocols, this crank seamlessly integrates with your existing devices, providing real-time data on power (left side) with a measurement accuracy of 1.5 %. Recommended to be paired with SRAM Wide DUB inner bearings, it's optimized for a smooth and efficient power transfer. Whether you're tackling long, dusty trails or short, steep climbs, the measurement point at the crank axle offers precise and reliable performance metrics. Elevate your gravel riding experience with this crank with power meter, a perfect fusion of technology and toughness for the modern adventurer.