Injection-molded, reinforced nylon plug in the bar end on the throttle side lets the handlebar work with select stock and aftermarket single- and dual-cable throttles simply remove for TBW compatibilitySeamless, thick-walled 0.120'' (3 mm) 4130 chromoly constructionPrecision mandrel-bent tubing for precise alignment and comfortable ergonomicsMilled slots on bar ends and clamping area for clean internal wire routingNotched and internally tapered right-side bar end accepts Harley Throttle-By-Wire control modulePrecision mitered, TIG welded tube joints