Bicycle Bottom Bracket
1.Material: steel, 20 Cr or Mn Ti
2.High quality heat treatment
3. Finish: CP UCP BK
4.Set :9pcs

Bicycle Bottom Bracket :

1.Material: steel, 20 Cr or 20 Cr Mn Ti, according to your requirement
2.High quality heat treatment
3.Set: 9 pieces/set
4.OEM available
5. Finish: CP UCP BK

6.We have more than 10 years in producing bicycle parts.

7.In stock

Look forward to establish long-term cooperation;