Harness precise power data with the SRAM SPIDER AXS Power Meter, engineered for the serious cyclists. Delivering ±1.5% accuracy, this advanced unit captures every watt with exceptional reliability. Dual ANT+ and Bluetooth connectivity ensures seamless integration with your preferred cycling computers and apps, while low-energy operation extends battery life between charges. The 8-bolt spider design with 107 mm BCD provides rock-solid compatibility with SRAM cranksets. Complete with chainring bolts and interface hardware, installation is straightforward. Black finish complements any drivetrain setup.