SRAM XX1 Power Meter Spider 00.3018.269.000

- Quarq Dzero XX1 Boost power meter spider must be paired with a XX1 Eagle DUB 8-bolt crankset and a 104 BCD X-SYNC 2 chainring\n- Not compatible with SRAM's 3-bolt direct mount interface\n- Bluetooth low energy technology and ANT+ wireless data transfer\n- MagicZero technology automatically checks and recalibrates your power meter as you ride, no need to manually calibrate\n- AxCad system provides no-magnet cadence data