Quail Motorcycle Gathering 2013 – Top 30 Photo Gallery Page Two 500cc twin Triumph TR5 Trophy Trail. TR5 was a trials machine designed for off road use with a high two into one exhaust and good handling on public roads. It is a Triumph Trophy Trail bike that is often shown with James Dean. Saturday morning a Ducati 749s arrives for the Gathering. 1965 Ducati Mach 1 Randy Grubb’s custom modified bikes and transporter. Randy Grubb’s custom modified bikes and transporter. The front of the transporter is a White garbage truck cab the rest is custom built by Randy Grubb. All mounted on a GMC Motor Home chassis. One of Randal Grubb’s aluminum bikes. You reach through those holes to the handle bars!