The Schwalbe Jumbo Jim Addix Tyre is an extremely light tyre with a very large volume that can be ridden at extremely low air pressures. Perfectly suited to deep and loose soil, sand and snow, when the rolling efficiency of a tyre is crucial. Schwalbe Jumbo Jim Addix Tyre Features Effective tread design for more efficient rolling Large air volume capacity Able to run at extremely low pressures for the most difficult terrain Perfect for extremely soft ground like sand and snow ADDIX Compound Tyre Specification Size: 26 x 4.00 Skin/Protection: Snake Skin Tubeless: TL Easy Compound: ADDIX Speed Grip Bead: Folding Line: Evolution Size Options   MPN ETRTO Size Protection Level Tubeless Compound Bead Line Option 1 SCH8215 100-559 26 X 4.00 2-Lite Skin TL Ready Addix Speed Grip Folding Evolution Option 2 SCH8216 100-559 26 X 4.00 4-Snake Skin TL Easy Addix Speed Grip Folding