SRAM XX/XX SL Eagle T-Type AXS Power Meter Spider Description: The XX SL Eagle AXS Transmission Power Meter records and delivers live, accurate power readings to your head unit. Utilizing an all-new spider-based design, this is SRAM's most precise, high-performing power meter. The spider design utilizes a proprietary thread-on chainring mount system, enabling reduced weight without compromising reliability. A dual-sided power measurement system calculates total watts and is subtle, lightweight, and boasts unbeatable battery life. SL Eagle AXS Transmission Power Meters are also compatible with the Flight Attendant system, allowing for total connectivity between all AXS enabled components for no-compromise, high-performance data delivery that gives you an edge over the competition. Features: SRAM Transmision power meter records accurate power readings to your head unit Spider-based design uses a proprietary thread-on chainring mount system Dual sided power measurement system calculates total watts AXS enabled, compatible with the Flight Attendant system T-Type Thread Mount chainrings sold separately MagicZero automatically checks and recalibrates your power meter as you ride Bluetooth low energy technology and ANT+ wireless data transfer AxCad requires no cadence magnet Power readings are accurate within +/-1.5% Specifications: Drivetrain Compatibility: 1x Chainring Compatibility: XX/XX SL Eagle T-Type Threaded Chainrings