SRAM RED XPLR AXS E1 Power Meter combines precision engineering with practical durability. Delivering ±1.5% power accuracy, it employs automatic MagicZero calibration to maintain consistent readings without manual intervention. The user-replaceable CR2032 battery provides up to 200 hours of runtime, minimizing downtime. Dual Bluetooth Low Energy and ANT+ connectivity ensures seamless integration with your training ecosystem. Advanced 10K temperature compensation guarantees reliable measurements across seasonal variations, while the IPX7 waterproof rating handles demanding conditions. No cadence magnet required—a streamlined approach to serious power training.