Specifications 1.Dura ace groupset
2.Pass the ISO 9001-2008 quality standard
3.Excellent quality & low price
Dura ace groupset Teeth:48T,46T,44T,36T,32T,28T,24T Crank:175,170,165,127,114,102,89mm Weight: Ordinary weight or according to customer's resquest Chinwheel Thickness: 2.5mm or according to customer's resquest Color:ED or CP Material: Steel Cotter Pin Type: Cottered or Cotterless