ROTOR Press Fit 4130 Ceramic bottom bracket cups

The Press Fit 4130 will easily accommodate your handpicked rig with its press fit, 41mm diameter with 30mm axle BB shell. - The pf4130 steel option is the best choice regarding quality / price / durability ratio. for those who seek the maximum demand with minimum friction, improving efficiency and saving a few watts, while saving a few grams of weight, our pf4130 ceramic is their bottom bracket. Features: - Designed to work with BB86, BB89, BB92, BB104.5 and BB107 bottom brackets - Dual track bearings - Machined outside bearing - Double seal Specifications: - PF4130 ceramic (red seals) - 67g - PF4130 steel (blue seals) - 73g