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 requirement2.High quality heat treatment3.Set: 9 pieces/set4.OEM available5. 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;

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