The polini variator is an instant easy to install upgrade for your scooter. Better acceleration and top speed. This is one of the first upgrades I recommend to my customers, Doesn't effect reliability, and its a super easy install. NOTE: This can be used on a dio/sa50, but the rollers are not going to be the right weight, and clearance is required.

Get the most out of that new variator withTECH PULLEY SLIDERS 16X13

Pick up a roller kit, or provide your own if you want to use this in a elite/dio