Kuuleyn Bike Bottom Bracket-Bicycle Bottom Bracket Mountain Bike Thread Type Bottom Bracket Bicycle Accessory-Red-

Feature:1. Made of aluminum alloy, strong and durable, 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 ring has anti?corrosion, waterproof, sand prevention effect. 4. Suitable for integrative crankset, mountain bike replacement accessory. 5. Easy and convenient for installation and disassemble, reliable and durable to use. Specification: Condition: 100% Brand NewItem 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 ring Applicable Frame Five-Way: Approx. 68 ~ 73mm / 2.7 ~ 2.9in Package List:1 x Bike Bottom Bracket