Gnarwhal Fat Bike Tire TLR - 27.5"Go slashing through the snow. When bite and traction are required above all else, this tire keeps you moving. 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 tire can be ridden with or without studs to add traction to even the slipperiest winter riding conditions.