SRAM RED XPLR AXS Power Meter Spider - For RED XPLR Threaded Mount X-Sync Chainrings, 8-Bolt Direct Mount, Black, E1

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. Thread Mount design is light, stiff and accurate, and fits RED XPLR Thread Mount chainrings 38t-46t (Chainrings sold separately) Dual sided power measurement system, it’s accurate to +/-1.5% even as weather conditions change, and boasts unbeatable battery life (User replaceable CR2032 battery with 200-hour battery life) Bluetooth low energy technology and ANT+ wireless data transfer MagicZero automatically checks and recalibrates your power meter as you ride No cadence magnet required 10K Temperature Compensation and Waterproof (IPX7 waterproof to 1 meter for 30 minutes) AXS™ enabled for easy monitoring and firmware updates Includes 8 bolts and thread back up pin for chainring