Desinged in part with street shredder Nate Richter, the Richter Tyre is a street orientated machine. Its a high pressure design, that's street orientated with super low rolling resistance and a unique tread pattern that that has plenty of grip. Max pressure rating: 100 psi ###section### Product Specs WHEEL SIZE: 20" MAX PRESSURE: 110 PSI WEIGHT: 820g/28.9oz PACK SIZE: Single