
SRAM Red Threadmount Power Spider
The SRAM Red power meter spider is a thread-mount unit for 38-46T chainrings with 200-hour battery life. It suits road racers and gravel cyclists who want compact power measurement on traditional cranksets.
- Thread mount design is light, stiff and accurate, and available in 38T-46T
- 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
- AXS™ enabled for easy monitoring and firmware upgrades
Pairs well with

SRAM Red Threadmount Power Spider
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