BB30 30 Mountain Bike Bottom Bracket Road Bike Center Axle Press Fit Bearing Center Shaft

Feature: 1. Aluminum Alloy Frame: 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. Dustproof and Waterproof: This mountain bike bottom bracket crankset has good dustproof and waterproof effect and is suitable for harsh riding environments. 4. High Strength: High strength aluminum alloy, strengthen lateral stability, not easy to loosen, reject abnormal noise, excellent performance, perfect fit. 5. Precise Machining: This road bike accessory is precisely machined, exquisite craftsmanship, and is a perfect replacement accessory. Specification: Item Type: Bike Bottom Bracket Material: Aluminum Alloy, Sealed Bearing Gross Weight: 139g 4.9oz Inside Diameter: Approx.30mm 1.2in Outer Diameter: Approx.46mm 1.8in Applicable Frame Pipe Diameter: Approx.42mm 1.7in Compatible Frame Five Pass Width: Approx.68mm 2.7in, Approx.73mm 2.9in. Package List: 1 x Bottom Bracket