1 x Solid 3.00-4 (260x85) Grey Block Tread Puncture Proof Mobility Scooter Tyre. These are infilled high quality 4 Ply tyres, designed for scooters that have a rim width of 58mm or less internally for the best fit. The infill is made from a slightly softer material than is usually used which makes them easier to fit and more comfortable in use