Shimano recommends that its rotors, which start out 1.8mm thick, should be replaced when the braking surface has been reduced to 1.5mm. This information is given on the rotor; it says “Min.TH=1.5”.
Shimano recommends that its rotors, which start out 1.8mm thick, should be replaced when the braking surface has been reduced to 1.5mm. This information is given on the rotor; it says “Min.TH=1.5”.