Variator rollers 7,5g 19x15,5 mm Piaggio Zip, Gilera Stalker... Polini

Inverter rollers 19 x 15.5 7,5 grams

6 set of new engine transmission rollers adaptable for scooter 50cc Gilera, Peugeot, Piaggio, Aprilia, Derbi, Malaguti, Vespa, Italjet. These rollers are adaptable on the models indicated but can also correspond to other variators on scooters, quads or buggies, we advise to check that your rollers are identical before command that is to say to check the external diameter and the width (thickness of the roller). Regarding the weight, it's up to you, either by taking the same weight or by modifying it to influence the behavior of your engine. It is recommended to order several ranges of weight of pebbles to perfect your settings:

• By climbing more pebbles slight you will have a better acceleration
• By climbing more pebbles heavy you will have a better top speed

Technical characteristics and dimensions of vario rollers

• Mark: Polini
• Manufacturer no .: 242.337
• Outer diameter of roller: 19 mm
• Roller Width: 15,5 mm
• Mass: 7.5 grams