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Bontrager Gnarwhal Fat Bike Tyre

Model 13271
A stud-ready winter tyre 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 tyre 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 tyre can be ridden with or without studs to add traction to even the slippiest winter riding conditions.

Product details

  1. A fat bike tyre that excels in snow, ice and slippery terrain
  2. An aggressive and siped tread provides traction in even the slickest conditions
  3. The Tubeless Ready (TLR) tyre for easy tubeless set-up and puncture protection
  4. The Inner Strength casing has lightweight sidewall protection that's also supple and strong
  5. The studdable design allows for added traction in icy conditions
  6. Easy installation for the Bontrager Tyre Studs with the Bontrager Tyre Stud Tool
  7. 27.5" tyres can accept 216 studs, 26" tyres can accept 160 studs

More options


Size 26" x 3.8" 27.5" x 3.8" 27.5" x 4.5"
Diameter 26" 27.5" 27.5"
Width 3.8" 3.8" 4.5"
TPI 120 TPI 120 TPI 120 TPI
Durometer 60a 62a/60a 62a/60a
Type Tubeless Ready/Clincher Tubeless Ready/Clincher Tubeless Ready/Clincher
Maximum pressure 25 psi 20 psi 20 psi
ETRTO 97-559 97-584 114-584
Puncture protection Inner Strength Inner Strength Inner Strength
Weight 1275g 1395g 1515g
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