Shimano Center-Lock Rotor Adaptor
Adapts standard 6-bolt rotors to Center-Lock hubs
Does not fit 2-piece rotors with aluminum spiders like Shimano RT86 or RT76 6-bolt rotors
Lockring uses Shimano Hollowtech II standard cup installation tool
Velo Mine customer service phone 217-679-2356 - text 217-827-1173 - email ben@velomine.com