1973 CCM 1973 CCM The only known survivor of CCM's first attempt at the Trans-AMA championship in the USA in 1973. Ridden by works rider Bob Wright. The bike is a 1973 works "short stroke" 500cc and is still 90% original. Picture courtesey of Andy Westlake.
In the post WWII era Enfield was a dominate force with the other kind of trials, reliability trials like the International Six Day Trials. Description from advrider.com. I searched for this on bing.com/images