Form and Function
Oversized and tapered 1-1/8-inch handlebars are common on lightweight dirt bikes and many European and Japanese sport machines. Thanks to some progressive thinking by modern big-twin customizers, this technology has migrated to high-performance Dynas. Unfortunately, the aluminum material used to make tapered bars is not ideal for big-twin bar construction. Unlike steel which bends or cracks before breaking, aluminum can fail without warning, especially when subjected to the stress of controlling a 600-pound motorcycle. One great way to improve the strength of aluminum handlebars is to increase their wall thickness. Unfortunately, this isn't possible with modern Harleys because the resultant small inside diameter would make TBW module fitment impossible. The tapered and butted 4130 chromoly solves all these problems. We employ advanced tube tapering and CNC bending technologies to ensure every Biltwell Tracker OS bar is stronger than stock and straight as an arrow. CNC slotting and notching lets you install stock H-D hand controls and throttle modules easily—no dangerous shims or drilling required.
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