Bottom bracket for cranks with 30mm axle and 41mm case diameter.
The PressFit standard combines the low weight and all advantages of the BB30 standard with the simplicity of the force-in-technology.
The main difference between the systems consists in the fact how the bearings are fastened within the scope of. PressFit bearings lie protected in nylon bearing cups which are simply pressed in the the frame. To the assembly no explosive rings are required. The bearings are sealed extravagantly to raise the life span significantly.
High-quality Enduro silicone seals ensure buttery-smooth operation with unparalleled protection against dust, water and mud.
Rotor PressFit 30 4130 need a case diameter of 41mm.