Early chopper builders invented the 4-piece Z-bar to give their custom machines a cool look and a narrow profile. The narrow width and comfortable backsweep make these bars perfect for compact stock bikes.; Seamless 0.120" (3mm) wall 4130 chromoly construction CNC mitered tube ends ensure super-strong welded joints Hand TIG welded construction for beauty and strength Black electroplate finish Measures 23-1/2" wide x 5" rise x 5-3/4" center width x 3-1/2" pullback; ; NOTE: because burrs can be present inside their welded joints, please DO NOT pull hand control wiring inside this model.