Trek BB90 for Shimano cranks BOTTOM BRACKETS Our standard PF30 bottom bracket

Our standard PF30 bottom bracket uses a deep insert for the strongest possible connection to the frame

Campagnolo 12 speed

This includes mechanical and Di2

For any off road use

In our never-ending pursuit of going faster with less energy

Trek BB90 for Shimano cranks BOTTOM BRACKETS Our standard PF30 bottom bracketThis bearing set is ready to plug a Shimano crank in a Trek BB90 road frame. BB90 was used on Trek's carbon road frames pre 2021. For current carbon road and gravel frames, look at T47 Internal. For aluminum frames and mountain bikes, have a look at the BB86 BB92 collection. Choose road bearings for road bikes, cross bearings for cyclocross or if you frequently ride your road bike on wet roads.