The larger disc brake rotor option ensures consistent brake performance with more power
The 220mm disc brake rotor offers 10% more stopping power than the 203mm model
Easy-to-install anti-loosening plates help secure disc brake rotors securely
Compatible resin / metal pad
SHIMANO SM-RT66 6-bolt disc brake rotors deliver consistent stopping power in all riding conditions. The reliable disc brake rotor anti-loosening plate construction makes installation quick and safe.