When bearings press directly into the frame it is important that the bearings are of the highest quality and the bearings in the BB90 are exactly that. They are highly polished so they are smooth to spin and last a long time. The seals on the bearings protect the bearings and races from dirt and water that try to make their way in.
|Frame Type||TREK BB90 & BB95 (ψ37x90 / 95mm)|
|Crank Type||Shimano (ψ24mm)|
|Bearing Type|| TBT |
|Weight||From 67 g / set|
|Product Code|| BB90 - TBT: TBT bearings |
BB90: Premium bearings
Note : Some combinations require the use of a spacer(s)