Heat treated oversize 4130 chromoly crank arms, The Strongest Profile has ever made! 22mm GDH CrMo axle with 8mm hex aluminum axle bolts.(Titanium axle upgrade available)

Features:

• Size: 170mm
• Axle: Chromo
• Color: Black Powdercoat
• Weight: 310g/10.85 oz
• Column Crankset includes LH & RH crank arms, 22mm GDH chromo axle, aluminum axle bolts/washers, and Column Crank Tool
• No boss only- spline drive sprocket must be used