Your maxi-scooter PIAGGIO BEVERLY or X10 350 lack of performance? POLINI has created this HI SPEED drive which will give a revving much more flexible and powerful than the origin, but also a maximum of torque and a higher top speed. Combining strength and durability, this drive is of very good quality and simple assembly does not alter the strength of your maxi-scooter. Thanks to him, finish the slow and slow accelerations! Adapting to different models (see list below), it comes with 1 set of well-studied wheels for optimal adjustment and a tube of grease to prevent seizure of the mobile cheek. Once again, POLINI invests to share with us his creations which gives us pleasure. Comes complete with notice.