BB30 30 Mountain Bike Bottom Bracket Road Bike Center Axle Press Fit Bearing Center ShaftCecha: 1. Rama ze stopu aluminium: The bike bottom bracket adopts an aluminum alloy frame, which is slippy to pedal, reduces noise, and maintains strength while being light in weight. 2. Sealed Steel Bearings: Integrally sealed steel bearings for extended life, integrally sealed to retain lubricant in the bearing, good sealing. 3. Pyłoszczelna i wodoodporna: This mountain bike bottom bracket crankset has good dustproof and waterproof effect and is suitable for harsh riding environments. 4. Wysoka siła: High strength aluminum alloy, strengthen lateral stability, not easy to loosen, reject abnormal noise, excellent performance, perfect fit. 5. Precyzyjna obróbka: This road bike accessory is 91 złJoom EuropeZłóż skargęKup!