Z Bolts - overall height 10", end to end width 21", bottom (inner) mounting width 6.25",grip length 8", pullback 5.5". All Handlebars are handmade to order, please allow up to three weeks for fabrication before shipment, or heading to chrome. Manufactured from U.S.A. made, 1" DOM steel with a thick .120" wall. 100% TIG welded. Available in chrome, or raw steel with a 3.5" Harley spacing. If you would like a custom spacing contact before ordering, Ill be happy to accommodate. Gusher Cycles Handlebars are all radical "lanesplitter" type chopper bars, and much narrower than most standard bars. Be radical at your own risk.