1" Springer Apes Handlebars are made in the USA from 1" OD x 0.109" wall premium American steel tubing CNC mandrel bent for ultra smooth bends and flawless symmetry Knurled riser clamp locations are 4.75" on centers to fit most aftermarket springers (Moto Iron, Paughco, DNA, Hardbody, etc) and stock Harley springer front ends With 16" of rise and 6.5" pullback, these bars are extremely comfortable These handlebars usually require extended cables, brake lines and wiring on most Harley models "Smooth" for custom applications