Trek BB90 for Sram GXP cranks Bearing Type:Ceramic Bearings This bottom bracket is the

This bottom bracket is the same as our PF30

reach out via the 'Need Help

This set replaces the bolts that hold the upper and lower pulley

cross bearings for off road use or if you frequently ride on wet roads

Trek BB90 for Sram GXP cranks Bearing Type:Ceramic Bearings This bottom bracket is theThis bearing set is ready to plug a Sram GXP 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.