Tioga's Spectr Dual Ply Race tire was built and designed to always be providing traction. It's sleek and fast rolling where you want it with traction and grip where you need it. A smooth rounded tread profile rolls efficiently and precisely across a wider range of turning angles thanks to its unique GripPod tread clusters. Those GripPod clusters are designed to add even more grip under applied pressure, when combined with their deep angular grooves the tread pattern provides exceptional cornering traction. Max pressure rating: 100 psi ###section### Product Specs WHEEL SIZE: 20" MAX PRESSURE: 100 PSI WEIGHT: 20" x 2.25" - 645g (22.7oz) 20" x 2.4" - 805g (28.3oz) PACK SIZE: Single Colour: Black; Size: 2.4", 2.25"