Shimano SM-RT66 DISC ROTOR SLX 6-BOLT Size:220mm Optillumin lens helps project max

Optillumin lens helps project max 20 lumens light output

We designed these bolts to be the best on the market

the Thumblock lever locks on to the valve

§ Achievable with Wolf Tooth GC40 or GC42 cog and compatible 11-36t cassette

Has a soft end that offers improved comfort on the out end of the grip

Shimano SM-RT66 DISC ROTOR SLX 6-BOLT Size:220mm Optillumin lens helps project max6 Bolt Disc Brake Rotor 220 203 180 160 mm SM RT66 SHIMANO 6 Bolt Disc Brake Rotor 220 203 180 160 mm 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