Sram Power Meter Spider Axs E1 For Threaded Mount Chainrings Force E1 Including 8 Bolts And Thread Back Up Pin For Chainring

Sram: 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, its accurate to +/-1.5% even as weather conditions change, and boasts unbeatable battery life.FeaturesThread Mount design is light, stiff and accurate+/- 1.5% accuracyUser replaceable CR2032 battery with 200-hour battery lifeBluetooth low energy technology and ANT+ wireless data transferMagicZero automatically checks and recalibrates your power meter as you rideNo cadence magnet required10K Temperature CompensationWaterproof (IPX7 waterproof to 1 meter for 30 minutes)AXS enabled for easy monitoring and firmware updatesRED XPLR AXS spider is for 1x XPLR chainringsForce AXS spider is for 2x chainrings SPECIFICATIONSBolt Circle Diameter (BCD) Thread Mount BB Spindle Interface DUB Power Meter Type Ant USB