Lot's of very sharp, coarse lava rocks here in Hawaii.
Been riding pacestar Racing Ralph's without snakeskin. Lot's of sidewall cuts and traction not good in wet rocks/roots. A rock will be hidden in the grass, flip up as rear wheel rolls over it and cut the sidewall. Got Nobby Nic with snakeskin/pacestar and no problems so far after several mos. Great grip in dry, less in wet but better than Ra Ra.
My main comment is that the knobs of all the Pacestars have always held up well even with destructive lava rocks, not ripping off knobs. Never took the chance with trailstar. Not sure it would last long here.
Hope this helps.
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