Bike Bottom Bracket Set Aluminum Alloy Sealed Bearings Bike Bottom Bracket Spacer for Bottom

Feature: 1. ALUMINUM OUTER FRAME: Bike bottom bracket set is made of aluminum alloy frame for slippy pedaling, noise reduction, light weight and high strength. 2. SEALED STEEL BEARINGS: Bicycle bottom bracket set is an integral sealed steel bearing, which prolongs the service life and is not easily damaged. 3. DUSTPROOF AND WATERPROOF: Bottom bracket set keeps the lubricant in the bearing, which is dustproof and waterproof and suitable for harsh riding environment. 4. NO LOOSENING EASILY: Bike bottom bracket spacer strengthens lateral stability, not easy to loosen, and rejects abnormal noise. 5. PRECISE MACHINING: Bottom bracket spacer is precise machined and has a high strength center shaft with good sealing performance, making it the perfect accessory. Specification: Item Type: Bike Bottom Bracket Set Material: Aluminum Alloy, Sealed Bearings Applicable Frame Tube Diameter: Approx. 41mm1.6in. Package List: 2 x Bike Bottom Bracket Set1 x Spacer Note: Please allow some error due to manual measurement.ALUMINUM OUTER FRAME: Bike bottom bracket set is made of aluminum alloy frame for slippy pedaling, noise reduction, light weight and high strength. SEALED STEEL BEARINGS: Bicycle bottom bracket set is an integral sealed steel bearing, which prolongs the service life and is not easily damaged. DUSTPROOF AND WATERPROOF: Bottom bracket set keeps the lubricant in the bearing, which is dustproof and waterproof and suitable for harsh riding environment. NO LOOSENING EASILY: Bike bottom bracket spacer strengthens lateral stability, not easy to loosen, and rejects abnormal noise. PRECISE MACHINING: Bottom bracket spacer is precise machined and has a high strength center shaft with good sealing performance, making it the perfect accessory.