Cerchio bici strada freno QR mozzi pinza C per mozzo bicicletta HG XDR MS 20/24 fori 9-12s
QR = quick release version = front 5x100 / rear 5x130mm = front 9x100 / rear 10x130mm QR. > Axle system: front: 5x100mm/rear: 5x130mm QR. The pawl has changed from single tooth to 3 teeth, andthe gear ring has changed from 36T to 60T.