CK-OS(GT02 50/34CC)
Specification:
Length - 165mm,170mm,172.5mm,175mm
BCD - 110mm
Chainring - 50/34T
Chainline - 43.5mm
Crank Weight - 730grams
BB Cups - BC- 1.37x24/68mm
BB Axle - Cromoly SCM435
Weight - 120grams
CK-OS(53/39AA)
Specification:
Length - 165mm,170mm,172.5mm,175mm
BCD - 130mm
Chainring - 53/39T
Chainline - 43.5mm
Crank Weight - 755grams
BB Cups - BC- 1.37x24/68mm
BB Axle - Cromoly SCM435
Weight - 120grams