XX1 Eagle DUB Power Meter, Power Meter Crankset, Speed: 11/12, Spindle: 28.99mm, BCD: 104, 32, DUB, 170mm, Black, Boost

* Bluetooth low energy technology and ANT+ wireless data transfer* MagicZero - automatically checks and recalibrates your power meter as you ride – no need to manually calibrate* AxCad -- no cadence magnet required* 10K Temperature Compensation* Battery -- CR2032, 200-hour battery life, change without tools* OmniCal -- swap chainrings without affecting accuracy* 2-year warranty* IPX7 waterproof rating* Accuracy -- within 1.5%, measuring both legs.* SRAM Model ID: PM-XX-1-C1