SRAM, 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