Model:QX-0301
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Bicycle Bottom Bracket Parts
1.Material: steel, 20 Cr or Mn Ti
2.High quality heat treatment
3.Piece: 9 pieces/set
4.OEM available
5. Finish: CP UCP BKLooking forward to establish long term cooperation.

Bicycle Bottom Bracket Parts
1.Material: steel, 20 Cr or Mn Ti
2.High quality heat treatment
3.Piece: 9 pieces/set
4.OEM available
5. Finish: CP UCP BK

