Quaro Dzero Crank star power meter (130mm Bolt circle)

Quarq Crank star power meter "DZero"

Quarq crank star power meter "DZero" Without chainrings, 5-arm, black, 10- / 11-speed compatible Only suitable for sprocket sets with 8-screw fastening, suitable for chainrings: SRAM 10- / 11-speed, Shimano 10-speed, rotor , FSA, Praxis, Wickwerks and others, Bluetooth and ANT + radio technology, IPX7 water protection, accuracy: + / - 1.5%, measurement on both sides, MagicZero for automatic calibration, tool-free battery replacement (CR2032)