Rotor Q Ring Chainring Black 52A x 110/5 Aero Steel Its main frame is constructed

Its main frame is constructed from durable machine aluminum and its industrial design works great and looks great

Speed (RD): 12s

Spring loaded piston on the on/off lever for smoother shifting

For the temporary relief of minor muscle and joint aches and pains associated with spasms

Rotor Q Ring Chainring Black 52A x 110/5 Aero Steel Its main frame is constructedOval Chainrings Bio mechanical studies show that Q Rings provide better performance than conventional chainrings. The effect is achieved by making the largest muscle groups in the legs more effective and eliminating the dead centre when pedalling. This results in a much smoother and rounder ride overall, with less muscle fatigue. The biggest advantages of using Q Rings are the significant improvement in general fitness due to improved pedalling,