Motorbike. Ride On Lawn Tractor Grass Tyre size 13x5.00-6 with straight valve Inner Tube. Fits 6" wheel rims. Car, Caravan. Tyre Ply: 4. Due to it's stength, this tyre can be used without an Innertube but using one will improve weight distribution even further providing enhanced grip and longer life.
eBay