Shimano SLX SM-RT66 Rotor 6-bolt 160mmThe Shimano SLX SM-RT66 Rotor delivers consistent stopping power in all riding conditions. The disc brake rotor's reliable anti-loosen plate construction makes for quick and secure installation. The 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 and Metal pad compatible. This is the 6-bolt version measuring 160mm.192790598338