SRAM XX/XXSL Power Meter Spider 00.3018.345.000

- SRAM Transmision power meter records accurate power readings to your head unit\n- Spider-based design uses a proprietary thread-on chainring mount system \n- Dual sided power measurement system calculates total watts\n- AXS enabled, compatible with the Flight Attendant system\n- T-Type Thread Mount chainrings sold separately\n- MagicZero automatically checks and recalibrates your power meter as you ride\n- Bluetooth low energy technology and ANT+ wireless data transfer\n- AxCad requires no cadence magnet \n- Power readings are accurate within +/-1.5%