Description: 【Quality Material and Design】: This integrated press in ceramic bottom bracket is made of high strength aluminum alloy material, wear resistant, sturdy and lightweight 【Efficient Power Transmit】: The ceramic bearing provides smooth, efficient power transmit, offering higher speed performance and longer service life. It's great for BB86 BB90 BB92 22 mm, 24 mm cranksets 【Adjustable Features】: This product comes with two fine tuning gaskets to adjust the chain center line distance of the crankset disc. It also includes a diameter conversion sleeve (24 to 22), making it suitable for use with 22 mm crankset after installation 【Installation Specifications】: Installation specifications for bottom bracket width is suitable for 86-92 mm bottom bracket width. Five way diameter installation specifications is suitable for 41 mm five way inner hole diameter 【Wide Applications】: The bottom bracket features anodized oxidation and CNC processing, providing a round and bright appearance to your bike. Widely suitable for mountain bike, road bike, dead fly, etc Specification: Material: Aluminum Alloy Size Chart: 9.5 cmx4.1 cm/3.74 inchx1.61 inch Package Includes: 1 Set Bike Bottom Bracket Note: Please allow slightly errors 1-2cm differences due to manual measurement.