SHIMANO's SM-RT66 6-bolt disc brake rotors deliver consistent stopping power in all riding conditions. The disc brake rotor's reliable anti-loosen plate construction makes for quick and secure installation.

FEATURES
• Larger disc brake rotor option provides consistent brake performance with more power
220 mm disc brake rotor provides 10% more stopping power than 203 mm
• Easy to install anti-loosen plates help secure disc brake rotor bolts in place
• Resin/Metal pad compatible