Bontrager Gnarwhal Fat Bike Tire | Trek Bikes
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Bontrager Gnarwhal Fat Bike Tire

$119.99 - $224.99 Model 13271
A stud-ready winter tire designed to bite into any trail surface.
A stud-ready winter tire designed to bite into any trail surface.
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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.

Product details

  1. A fat bike tire that excels in snow, ice, and slippery terrain
  2. Aggressive and siped tread provides traction in even the slickest conditions
  3. Tubeless Ready (TLR) for easy tubeless setup and puncture protection
  4. Inner Strength casing is lightweight sidewall protection that's supple and strong
  5. Studdable design allows for added traction in icy conditions
  6. Easy install of available Bontrager Tire Studs with Bontrager Tire Stud Tool
  7. 27.5" tires can accept 216 studs, 26" tires can accept 160 studs

More options


Size 26" x 3.8" 26" x 3.8" (with studs) 27.5" x 4.5"
Diameter 26" 26" 27.5"
Width 3.8" 3.8" (with studs) 4.5"
TPI 120 tpi 120 tpi 120 tpi
Durometer 60a 60a 62a/60a
Bead Aramid Aramid Aramid
Type Tubeless Ready/Clincher Tubeless Ready/Clincher Tubeless Ready/Clincher
Max pressure 25psi 25psi 20psi
ETRTO 97-559 97-559 114-584
Puncture protection Inner Strength Inner Strength Inner Strength
Weight 1275g 1360g 1525g

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