Description: *100% brand new and high quality *Made of high quality material, durable and practical to use *Bike Ceramic Ball Bearing BB52 Bottom Bracket 68-73mm For-SHIMANO Bicycle Parts Specification: *Material: Aluminum alloy *Color: Black,Red,Blue,Yellow,Silver,Purple,Rainbow (As Pictures Show) *Weight: About 110g *Model: BB52 *Inside diameter：24mm *BB frame length：68-73mm Package Includes: 1 x Bike Bottom Bracket Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. Bike Ceramic Ball Bearing Bb52 Bottom Bracket 68-73mm For-Shimano Bicycle Parts High quality: Our products are made of high quality materials, the product is durable and not easily damaged in the process of use. Function: This product has good function and high role, which increases the comfort of your outdoor life and makes it more convenient for you to enjoy your outdoor life. Convenient: The product is easy to use, small in size, easy to store and easy to carry After-sales: If our product has any problems that do not meet your expectations, please feel free to contact use, will make it right.