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

Feature: 1. Made of high strength nylon plastic and bearing, good structural design, novel appearance. 2. The o ring 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: Bike Bottom Bracket Material: Nylon Plastic + Bearing Optional Color: Black, Red Inner Diameter: Approx. 24 x 24mm 0.94 x 0.94in Fitment: Approx. 86 92mm 3.4 3.6in. Package List: 1 x Bike Bottom Bracket