Burly Brand has designed their Narrow Bottom Ape Hangers to look right over narrow glide front ends such as Dyna and Sportster models. They feature diples and are drilled to make internal wiring easy. Make sure you check out their extended cable.line kits to make the install on your bike simple. High quality steel tubing 3-1/2" on center knurling Narrow center/tapered design Not notched for TBW