Stevie Churchill's signature Primo tyre features a wide centre strip for decreased rolling resistance. Made from Primo's own proprietary long-lasting rubber compound and finished with an all over knurled pattern for extra squeaky grip. Max pressure rating: 100 psi .embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; } ###section### Product Specs WHEEL SIZE: 20" MAX PRESSURE: 100 PSI WEIGHT: 720g (25.4oz) PACK SIZE: Single