SRAM XX1 Eagle DUB Power Meter Power Meter Crankset Speed: 11/12 Spindle: 28.99mm BCD: 104 32 DUB 175mm Black Boost

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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