Shinko has a long history of making the highest quality affordable tires in the US. The SR425 give is an incredibly performing street tire, perfect for suped up Vintage Vespa Small Frames and Modern Metropolitans and Genuine Buddy 50's. J rated, these tires are perfect for stop light to stop light city riding. They are a TUBELESS tire, so don't forget to run a tube if you run these in split rims.