Profile Column Cranks

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Please use Profile 22MM Bottom Bracket Cones with Column Cranks. Heat treated oversize 4130 chromoly crank arms-The STRONGEST Profile has ever made! -22mm GDH CrMo axle with 8mm he x aluminum axle bolts.(Titanium axle upgrade available) -No boss only- spline drive sprocket must be used. -Column Crankset includes LH & RH crank arms, 22mm GDH chromo axle, aluminum axle bolts/washers, and Column Crank Tool. -Lifetime Warranty to original purchaser. 175mm Right Arm: 315g/11.03 oz175mm Left Arm: 315g/11.03 oz Chromoly 6.0 Column axle with bolts: 232g/8.12 oz Show more