Rotor Corona 11 Velocità Mtb Xc2 Q-rings Shimano Xtr M9000 4 Fori 96/64mm 22 Denti

Descrizione

Qx2 chainrings for your double cranks feature subtle 10% ovality that can be dialed in to take advantage of the most-powerful part of your pedal stroke to give you faster acceleration and better traction on whatever terrain you thrust under your whee...