Shimano SM-RT30 Disc Brake Rotor Centerlock Resin Pad Size:180mm Symmetrical grooved design allows for

Symmetrical grooved design allows for the right amount of grip while riding

These pads are used to space and avoid scratching of the rack and frames

Includes lock pod with 2 x keys

Head tube diameter

It is designed to be carried in your jersey pocket or under a bottle cage

Shimano SM-RT30 Disc Brake Rotor Centerlock Resin Pad Size:180mm Symmetrical grooved design allows forSHIMANO SM RT30 disc brake rotors provide exceptional stopping power in all riding conditions. SHIMANO's CENTER LOCK mounting system makes installing and removing rotors quick and easy thanks to the spine mount and lock ring design. FEATURES Easy set up and adjustment Fast quick assemble feature CENTER LOCK Designed for resin pad only 160 mm, 180 mm, 203 mm Model No. SM RT30 Series SHIMANO ALIVIO M3100 Series CENTER LOCK Outside diameter 180 mm