Rotor Bottom Bracket PF4624 Pressfit to enable a BB30 (46mm) bottom bracket shell to accept 24mm Shimano Hollowtech II cranks. Marks and scrapes on the aluminium shell but perfectly usable/functionality not affected and hard to see once build has been completed (crank is installed). With original spacers and seals, and 2 good, smooth Enduro bearings.
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