Polini Clutch Spring Set | Honda Dio 139QMB Vespa 50cc 95mm Variator Heavy-Duty 70L Rating: Reinforced carcass

Heavy-Duty 70L Rating: Reinforced carcass supports up to 739 lbs and is rated for speeds up to 75 MPH — one of the most durable options in the 10-inch category

VRM-119C sport tread — low rolling resistance and crisp cornering response

Their components are trusted by riders and shops worldwide for both performance upgrades and custom builds

Length: 154

Valve Stem Length: 64mm

Polini Clutch Spring Set | Honda Dio 139QMB Vespa 50cc 95mm Variator Heavy-Duty 70L Rating: Reinforced carcassFine tune your launch performance and eliminate sluggish low end takeoff with the genuine Polini Clutch Spring Tuning Set. Designed to fit original factory clutches on 50cc scooters, this complete tuning kit allows you to adjust your clutch engagement RPM to match modified exhausts, big bore cylinders, or sport CVT setupsensuring your engine revs directly into its ideal powerband before sending power to the rear wheel. Key Features 4 Stage RPM Tuning