170 mm.

· single speed crankset

· steel crankarms w/ steel 46t chainring 

· Single speed crankset

· Steel crankarms w/ solid steel chainring

· Square taper interface

economic SS cranks

· 170mm

· alloy arms, steel ring

· forged alloy 6061-T6 chainset

· 170mm crank length

· alloy chainring 53T

· Single speed crank arm set

· Forged alloy crank arms

· 170x130mm 

· single speed crank arm set

· forged alloy crank arms