Homeriy Hollowtech Bike Bottom Bracket - Integrated Hollow Chainwheel Crankset for Mountain & Road Bikes - Lightweight & Durable Cycling Component for Professional Riders & Commuters

Feature: 1. Available for integrated hollow chain wheel, suitable for mountain bike, road bike. 2. The inner diameter of both ends is 24MM, and the bottom bracket is sturdy and durable, long service life, silicone to prevent pollution, convenient installation. 3. End cap design with sealing technology, reduces sealing resistance and improves appearance, greatly changed the drainage and sealing. 4. Integrated hollow design, reduce weight, greater spacing between bearings, reduces bearing load and increases strength. 5. 2 different type and colors for you to choose, meet your different needs. Specification: Item type: Bike Bottom Bracket Condition: 100% brand new Model: BB91 BB92 Material: CNC manufacturer of 6061 aluminum ceramics bearing Optional Color: red, black Options: thread type, press- in type Inner diameter: Approx. 24mm/ 0. 9in Package Including Package List: 1 Set x Thread type bottom bracket 2 x Accessory