CK

CK-OS 53/39AA

Length - 165mm, 170mm, 172.5mm, 175mm
Chainring - 53/39T (BCD130),  50/34T (BCD110)
Chainline - 43.5mm
Crank Finish - Forged Alloy 6061, Silver, Black Anodized 
BB Cups - BB -1.37x24/68mm
BB Axle - Cromoly SCM 435

CK-OS GT02 52/42/30CAS

Length - 165mm, 170mm, 172.5mm, 175mm
BCD - 130mm
Chainring - 52/42/30T, 50/39/30T
Chainline - 45mm
Crank Finish - Forged Alloy 6061, Silver, Black Anodized 
BB Cups - BB -1.37x24/68mm
BB Axle - Cromoly SCM 435

*AA: Outer Chainring -  Press Alloy 
  Inner Chairning -  Press Alloy 
*CAS: Outer Chainirng -  CNC Alloy
  Middle Chainring - Press Alloy 
  Inner Chainring -  Press Steel 

 

CK 53/39AA

Length - 165mm, 170mm, 172.5mm, 175mm
Chainring - 53/39T (BCD130),  50/34T (BCD110)
Chainline - 43.5mm
Crank Finish - Forged Alloy 6061, Silver, Black Anodized 
BB - ISIS (108mm), Square (110.5mm), Power Drive (108mm)

CK GT02 52/42/30CAS

Length - 165mm, 170mm, 172.5mm, 175mm
BCD - 130mm
Chainring - 52/42/30T, 50/39/30T
Chainline - 45mm
Crank Finish - Forged Alloy 6061, Silver, Black Anodized 
BB Cups - BB -1.37x24/68mm
BB - ISIS (108mm), Square (110.5mm), Power Drive (108mm)

*AA: Outer Chainring- Press Alloy 
  Inner Chairning -  Press Alloy 
*CAS: Outer Chainring- CNC Alloy
  Middle Chainring- Press Alloy
  Inner Chairning -  Press Steel