We build custom sizes for Honda Valkyrie, VTX 1800 N, R, S &T, Vulcan 2000, Vulcan Nomad, Triumph Rocket III, Royal Star, Royal Star Venture, and all bikes with 150/80-16 &17inch front tires. These tire/wheel combinations vary in overall width and you will need to supply the actual width of your tire. We build custom sizes for exact fitment for these wide tires with 1/8th inch clearance. Please allow one extra day when ordering a custom size unit. Our sizing gauge will aid in measuring your tires overall width. Click this link http://wheeldock.com/tire-size.asp and follow the directions on the page. When checking out online just let us know in a note what size your tire is or give us a call at 1-866-606-3080 for assistance.