CK

CK-OS 53/39AA

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

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CK-OS GT02 52/42/30CAS

.Length - 165mm, 170mm, 172.5mm, 175mm
.BCD - 130mm
.Chainring - 52/42/30T, 50/39/30T
.Chainline - 45mm
.Outer/Center/Inner Chainring - 7075CNC / Press Alloy / Press Steel 
.Crank Finish - Forged Alloy 6061, Silver, Black Anodized 
.BB Cups - BB -1.37x24/68mm
.BB Axle - Cromoly SCM 435

CK 53/39AA

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

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CK GT02 52/42/30CAS

.Length - 165mm, 170mm, 172.5mm, 175mm
.BCD - 130mm
.Chainring - 52/42/30T, 50/39/30T
.Chainline - 45mm
.Outer/Center/Inner Chainring - 7075CNC / Press Alloy / Press Steel 
.Crank Finish - Forged Alloy 6061, Silver, Black Anodized 
.BB Cups - BB -1.37x24/68mm
.BB - ISIS (108mm), Square (110.5mm), Power Drive (108mm)