SRAM Power Meter Spider AXS E1 For Threaded Mount Chainrings - Red (Including 8 Bolts And Thread Back Up Pin For Chainring)

When you need the absolute best from your training data, the accuracy and reliability of the RED XPLR AXS Power Meter is the way to go. The spider design uses a proprietary thread-on chainring mount system which allows us to reduce weight and increase stiffness without compromising the ability to swap rings.

A dual sided power measurement system, it’s accurate to +/-1.5% even as weather conditions change, and boasts unbeatable battery life. FEATURES Thread Mount design is light, stiff and accurate, and available in 38T-46T +/- 1.5% accuracy User replaceable CR2032 battery with 200-hour battery life Bluetooth low energy technology and ANT+ wireless data transfer Magic Zero automatically checks and recalibrates your power meter as you ride No cadence magnet required 10K Temperature Compensation Waterproof (IPX7 waterproof to 1 meter for 30 minutes) AXS™ enabled for easy monitoring and firmware updates SPECIFICATIONS Bolt Circle Diameter (BCD) Thread MountBB Spindle Interface DUBPower Meter Type Ant USB