Description:
*Brand new and high quality
*Made of high-quality materials, durable，
*stainless steel ball inlaid in the retainer design.
*replacement for the bicycle or racing bicycle or mountain bike.
*21/20mm, outer diameter 21mm, steel ball diameter 4.763mm, often used in front hub
*25mm, outer diameter 25mm, steel ball diameter 6.35mm, often used in rear hub
*29-22mm, inner diameter 22mm, outer diameter 29mm, steel ball diameter 6.35mm, common bottom bracket on the market
*31-22mm, inner diameter 22mm, outer diameter 31mm, steel ball 4.763mm, used for Bottom Bracket
*37-29mm, inner diameter 29mm, outer diameter 37mm, steel ball diameter 4mm, commonly used in ordinary bicycle front fork headset
Specification:
Material: steel
Color: silver
quality: 10PCS
size: 20mm， 25mm, 29mm, 31mm，37mm(options)
Package Includes:
10PCS bearing
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.
