Lightweight Folding Tyre from KHE. The Mac3 tyre is contructed out of two specially designed Kevlar Skins which does away with the typical cotton thread carcasses this allowing this tyre to be super light while still allowing for 100psi of pressure. Designed with park or street riding in mind this is tyre will lighten up your ride and make fast spinning tricks feel easier. ###section### Product Specs WHEEL SIZE: 20" MAX PRESSURE: 100 PSI PACK SIZE: Single WEIGHT: 550g Size: 2.4"