BB91 Bottom Bracket Mountain Thread Type Bottom Bracket Accessory

Feature: 1. Made of aluminum alloy, strong and , having long service life. 2. Applicable frame five‑way: 68‑73mm, inner diameter of 24 x 24mm / 0.9 x 0.9in. 3. Sealed silicone rubber waterproof has anti‑corrosion, waterproof, sand prevention effect. 4. Suitable for integrative crankset, mountain replacement accessory. 5. Easy and convenient for installation and disassemble, reliable and to use. Specification: Condition: 100% Brand New Item Type: Bottom Bracket Material: Nylon plastic + aluminum alloy + bearing Optional Color: Black, Red Inner Diameter: Approx. 24 x 24mm / 0.9 x 0.9in, compatible with 22-24mm when matching with variable diameter Applicable Frame Five-Way: Approx. 68 ~ 73mm / 2.7 ~ 2.9in Package List: 1 x Bottom Bracket