Note: Delivery includes an Abnormal 46 Bottom Bracket PF46-68/73/83-24 only. Other products shown serve solely illustrative purposes and will not be delivered.The Problem Solvers Abnormal 46 bottom bracket combines normally incompatible cranks and frames, accepting 24mm cranks (Shimano Hollowtech II, Raceface X-Type) and fitting inside 46mm diameter BB shells (frames designed around PressFit 30 bottom brackets). Use your old cranks with new frames! Incl. additional enduro seals.