When you need the absolute best from your training data, the accuracy and reliability of the SRAM AXS E1 Powermeter Spider Crankset is it. 

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 unparalleled battery life.

Features:

• Thread Mount design is light, stiff and accurate
• +/- 1.5% accuracy
• 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
• Waterproof (IPX7 waterproof to 1 meter for 30 minutes)
• AXS™ enabled for easy monitoring and firmware updates

Product Specifications:

• Speeds    n/a
• Crank arm length    n/a
• BB Compatibility    n/a
• Chainring Size    n/a
• Bolt Circle Diameter (BCD)    Thread Mount
• Chainline    n/a
• BB Spindle Interface    DUB
• Chainring material    n/a
• Power Meter Type    Ant USB
• Hub Spacing Compatibility    n/a
• Chainring Offset    n/a
• Vendor Item No. 00.3018.412.000