AXS E1 Powermeter Spider

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. 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 AXS™ enabled for easy monitoring and firmware updates SRAM Model ID: PM-AXS-SPDR-E1