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 |