Pinasco Spring Slider; Standard Minarelli Stators allowing for endless experimentation without

allowing for endless experimentation without purchasing multiple individual sets

We highly recommend it for heavier riders and those with a bumpy commute

Adjustable spring pre-load

Also fits 139QMB-based 50cc / 80cc engines with the following engine codes: 139QMA

Pinasco Spring Slider; Standard Minarelli Stators allowing for endless experimentation withoutPinasco patented Spring Slider for variators. It is made up of an ultraflat axial bearing combined with a particular return spring: isolation of the return spring from the torsion of the driven pulleys lengthens the working life of the spring, thus notably improving performance and reliability. Fits Minarelli engined scooters.