koolsoo Deluxe Bike Bottom Bracket 68-73mm Integrated Hollow MTB Road Bicycle BC1.37x24T BB Sealed Bearing Bottom Brackets Crankset Repair Component - Colorful

Description: - This integrated hollow bottom bracket threaded BB made of Aluminum alloy shell, light weight, high strength. - Polished surface and CNC machined technology mean exceptional durability. - Sealed rubber gasket rings spring inside; prevent water and dust, super waterproof. - Suitable for 68-73mm bottom bracket shell. - Inner diameter 24mm and smooth rotation, easy installation and operation. Specification: - Material: Aluminum alloy - Size: 68-73mm/ 2.67-2.87 inch - Inner Diameter: 24mm/0.94 inch Package Includes: 1 Piece Bike Bottom Bracket