Bicycle Chain wheels

Model : CW-RTB

Bicycle Chain wheels CW-RTB
Crank construction: AL-7050 T73
B.B. axle integrated crankset

Description and Materials

  • Bolt circle diameter: 130mm
  • Chainring set standard: 53T-39T, AL-7075 T73 (Imported material)
  • Optional sizes: 50T-39T, 55T-42T
  • Crank arm length: 165, 170, 172.5, 175mm
  • Crank arm: forged AL-7050 T73
  • Average weight: 950±10g (B.B.set included) /175mm
  • BB shell width: 68/70
  • Chainline: 43.5mm
  • Speed: 9/10
  • Q-Factor: 128±1.5mm
  • Spindle: SCM440


Finish

  • Crank : High polished black
  • Chain Rings: Bead blast black

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