Bontrager Gnarwhal Fat Tyre - Folding & Tubeless Tyre With 120TPI Carcass. Roll through the roughest terrain and deepest snow with the stud-ready, aggressively treaded Gnarwhal. Available to fit both 26 and 27.5 wheels, this versatile tyre can be ridden with or without studs to add traction to even the slippiest winter riding conditions.
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