Schwalbe jumbo jim addix mtb tyre snakeskinthe schwalbe jumbo jim addix mtb tyre snakeskin 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 go anywhere tyreas this tyre is intended for fat bikes it is a go anywhere option for tackling any terrain whether you are riding through deep forests along beaches and even in snow the large v