BB109 Mountain Bicycle Integrated Hollow BB Press Bearings Thread Bottom Bracket DIY Bike AccessoryRed

Feature: 1. Made of high strength acrylic and bearing material, good structural design, novel appearance. 2. Double waterproof design can effectively prevent water from entering the five way and can be used as a buffer belt for frame and BB. 3. Smooth ball bearing axis, greatly improving abrasion resistance and not easy to rust. 4. Its lubricity makes it easier for you to participate in bicycle races. 5. This is a great bicycle DIY accessory with long service life. Specification: Condition: 100percent Brand New Item Type: Bottom Bracket Material: Acrylic + Bearing Optional Color: Black, Red Inner Diameter: Approx. 24mm or 22mm x 24mm 0.94in or 0.87in x 0.94in Fitment: Approx. 68 73mm 2.7 2.9in . Package List: 1 x Bike Bottom Bracket