With Marastar's air-filled (pneumatic) 15x6.00-6 tire and wheel assembly for lawn mowers you don't need to insert a tube or use a professional tire shop when you need to replace your existing lawn mower tires; simply replace the entire tire and wheel assembly with this tubeless, multi-trac tread, 4 ply rated tire, pre-mounted on yellow powder-coated steel wheel with 3” offset hub length, contractor-grade oil-infused bushings and grease fitting. Marastar has solved the hassle and costly task of repairing your riding lawn mower tires by including 1 x 1/4" wide spacer, 2 x 0.08” thick washers and an extra e-clip to make this an easy install replacement option compatible with your John Deere D100 and D300 Series riding lawn mower.