The FAF (fast as f**k) Tyre from Fit It's tread pattern is built primarily with a street direction with micro-knurling for added traction. To ensure they're as tough as possible they feature a puncture resistant kevlar belt, tear resistant Silkworm casing and a micro-knurled sidewall for added durability. Max pressure rating: 110 psi ###section### Product Specs WHEEL SIZE: 20" MAX PRESSURE: 110 PSI WEIGHT: 723g (25.5oz) PACK SIZE: Single Size: 2.4", 2.25", 2.3"