For use with 39mm diameter fork tubes. Gloss black powder coated. This is the ORIGINAL; but improved; Bare Knuckle Performance Narrow Glide triple tree kit. These trees are have center to center fork tube distance of 7" (177.8mm); identical to that of the stock Narrow Glide triple trees. Comes complete with steering stem; tapered flange washer; and an ARP stem bolt. - Black powder coated finish - Great for building a traditional width Narrow Glide bike - With integral steering stop mount holes - Drilled and counter bored for 3/8" headlamp bolt - Drilled and counter bored for 1/2" riser bolts - Traditional 3-1/2" (8.9cm) riser bolt spacing - With wheel axle - Includes all required installation hardware. The required Narrow Glide stainless wheel axle is included and offers great and lasting custom looks. Made from 17-4 series polished stainless steel; which offers sheer and tensile strength comparable to that of chromoly with superior corrosion resistance. Axle will not bend or break. Comes with a high quality 12-point stainless steel nut and custom tapered washer. Nut is secured by a stainless steel e-ring. Note: Axle and nut must be 100% clean before installation and coated with provided anti-seize (Loctite LB8012). This includes ''test fitting / hand tightening''. Cleaning axle; threads and anti-seize coating remains applicable when reinstalling after servicing wheel.