Bottom bracket – BB90 Trek Shimano
The BB90 Trek Shimano bottom bracket combined with our CyclingCeramic ceramic bearings guarantees a reliable, low friction system for high performance. The assembly in our workshops guarantees a quality control as well as the perfect match between the box and the high quality ceramic bearings. These bearings are designed for your TREK bike equipped with a Shimano crankset, Rotor in axis of 24mm. This bearing set is ready to plug a Shimano crank in a Trek BB90 road frame.