Bike bottom bracket: 1. Material : alloy steel 2. Size : from 12" to 26" are all available 3.Color : optional

B.B Parts:Bicycle Axle and Bottom Bracket parts 1. material : steel, alloy steel2. size : from 12" to 26" are all available3. the surface treatment can be BK,UCP, CP

We have the following advantages:1. A manufacturer of producing bicycle spare parts as bottom bracket parts, saddles, axles, and so on.2. Our spare parts have obtained the EXPORT LICENSE and our products enjoy high quality.3. We have 10 years of experience in manufacturing bicycle parts.

According to your requirement. Looking forward to establish long-term cooperation.

bike bottom bracket