This size is Φ48 mm for Euro size and Modeds , scooters, But for standard USA and UK ISO Rotors please order the 44 mm size. ALL USA and UK brakes use 44 mm unless they are very old. Many mopeds and scooters use the 48 mm size. These are the MADE in USA 6061 T6 Alum. version. Don’t buy the imported ones ! These are very strong and durable.
Scooter / Electric-bike double hub nut Euro Diameter 48mm thread Disc brake rotor adaptor mount left Alum
