For the fans there are several streams Vespa; there who love vintage, restaurants, and modification. So any modifications on the flow is divided again: british / mod style of asking the British scooter modified style 60-70s era, modifications touring, racing modifications, modification of rat-bike, and last modification chopper.
Modifications chopper began to bloom in the early 2000s. This probably stems from the idea of a pocket scooter mediocre but want to have a motor like a chopper.
