Shimano SM-RT 66 180mm Disc Brake Rotor Bianchi 3” tires mounted on aluminum

3” tires mounted on aluminum single wall 36H rims with 3/8” in axle front hub and 9T cog sealed bearing cassette rear hub

Even the best optics on earth can be compromised by dirt

We wanted to make this platform faster than ever before both up and down the hill

Version for PressFit (PF41) bb shells and 89

protects from the elements

Shimano SM-RT 66 180mm Disc Brake Rotor Bianchi 3” tires mounted on aluminumSHIMANO'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. Larger disc brake rotor option provides consistent brake performance with more power