Scooter Performance Variator Slider Weight 16X13 mm 7g GY6 50cc Performance 7gm Variator Weights. Will work on many 49 50cc Scooters. 16x13mm. Free Shipping To Continental US Please note, any product that is returned will be refunded minus the original shipping costs.(i.e. The cost to ship the order to you) Please Note: many photos are stock images and although no functionality will change, the part you receive might vary in color or aesthetic appearance.