Penton

[3] The International Six Days Trial is a form of off-road motorcycle Olympics which is the oldest annual competition sanctioned by the FIM dating back to 1913.

[4] After winning the 1966 Jack Pine Enduro on a Husqvarna, the Swedish motorcycle manufacturer named him the distributor of the brand for the eastern United States.

[6] He formed a successful racing team that supported some of the top enduro racers of the era including his son, Jack Penton who competed in 12 ISDT events as well as Dick Burleson, Carl Cranke and Billy Uhl.

[2] The early motorcycles made their mark in International Six Days Trials competitions, enduro races like the Michigan Jack Pine Endurance Run, scrambles and motocross.

The MC5 MX series used longer travel leading-axle, magnesium slider forks to complement the high lever-ratio rear suspension configuration making all but the 125 a competitive Motocross model.