Brake rotor compatibility (minimum / maximum): 200mm minimum and 220mm maximum

including mountain biking and off-road cycling

Stack: 65 mm

Engagement: 44 points

Shimano SM-RT54 Disc Rotor - 180mm - Centrelock - Standard - 1.8mm to 1.9mm Needs Images Brake rotor compatibility (minimum /Shimano SM RT54 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 Center lock for quicker installation About 10% lighter than SM RT53 Designed for resin pad only 160 mm, 180 mm