Chromoly Spindle upgrade or replacement for Profile Column 22mm cranks. Made in the USA at profiles factory in Florida. This spindle is machined from 4340 Chromoly. Fits profile Column cranks & other 48 spline 22mm cranks. Comes with Crmo Flush bolts & washers. Gun Drilled Hollow.  Diameter: 22mm Weight: 227g/7.94 oz section Product Specs Rise: 22mm Bar Clamping Diameter: Chromoly Bar Clamping Diameter: 227g/7.94 oz