Titanium Spindle upgrade or replacement for Profile Column 22mm cranks. Made in the USA at profiles factory in Florida. This spindle is machined from aircraft grade titanium & is a must if you are looking to lighten you ride. Fits profile Column cranks & other 48spline 22mm cranks. Comes with Crmo Flush bolts & washers. Gun Drilled Hollow.  Diameter: 22mm Weight: 139g / 4.86oz section Product Specs Rise: 22mm Bar Clamping Diameter: Titanium Bar Clamping Diameter: 139g / 4.86oz