19/04/2026
Smooth in every shift.
Dialed in for every ride
Installation and city test ride of the new and improved variator kit for Vespa Sprint and Primavera 150. Available at !
Initial impression
π Smooth shifting
π Fast 0-60
π New angle makes the belt sit at the very end of the torque drive
π Highly tunable
π¨ Top end not yet tested π€«
Testing configuration
π Mix of 9g and 13g flyball
π Polini Center springs
π Stock belt
π Speed evo Torque Drive
π Aftermarket Clutch and bell π€