Kuuleyn MTB Bottom Bracket-Bicycle Thread Screwing?in Type BB Bottom Bracket for 68?72M Integrated Crankset-Integrated Crankset Bottom Bracket-

Feature:1. High strength 7075?T6 aluminum alloy shell, all CNC processed and finished. 2. Separated rubber washer, built?in spring, supports sliding clearance, resulting in no clearance action,prevent dust and moisture from entering bearing, excellent water resistance. 3. Separated rubber washer, with double side sliding characteristics, will not increase resistance to rotating bearing, high lubrication. 4. Made of high quality materials, sturdy, durable and long service life. 5. Small size and lightweight, easy to carry and store, convenient to use. Specification: Condition: 100% Brand NewItem Type: Integrated Crankset Bottom BracketMaterial: Aluminum Alloy + NylonColor:RedSpecification: Approx.68-73mm/2.7-2.9in       Inner Diameter:Approx. 24mm/0.9in Weight:Approx.104g/3.7oz Package List: 1 x Integrated Crankset Bottom Bracket