The Profile Column Spline Drive cranks are a stronger, stiffer and more street friendly version of Profile’s classic 3-pc crank design. The Column cranks feature 4130 tubular chromoly arms designed for spline drive sprockets only, wraparound spindle and pedal bosses, a 22mm Gun Dilled Hollow heat-treated chromoly spindle for maximum strength, and hollow flush mount spindle bolts.

Ultra Gun Drilled Hollow 22mm 48-spline spindle for light weight and superior strength.

Flush bolts.

No boss – for spline drive sprockets only

22mm BB not included – get a Profile Mid 22mm BB here

Weight: 848g.

Made in the USA.