Shimano SLX RT66 & RT64 Brake Disc Rotor Compared, 6-bolt and Center Lock - YouTube
Shimano SM-RT 66 Brake Disc S M L Ø 160 180 7.99in 6-Loch Deore XT Slx Zee XTR | eBay
Shimano SLX SM-RT66 Rotor - Fanatik Bike Co.
How do I know which one is genuine on SM-RT66 rotors? One says made in China (SK) while other says Japan (RA). Both has different edges. Please confirm. Got china one from
Shimano SM-RT66 - Amped Adventure | Lake Forest Park, WA