Bontrager
Bontrager Gnarwhal Fat Bike Tire
The Bontrager Gnarwhal Fat Bike Tire is built for the harshest winter conditions, delivering aggressive bite and dependable traction when snow, ice, and loose terrain try to slow you down. Its stud‑ready design and deep, siped tread make it a go‑to choice for riders who want maximum control in slippery conditions.
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Fat bike tire that excels in snow, ice, and loose winter terrain
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Aggressive, siped tread provides confident traction in the slickest conditions
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Tubeless Ready (TLR) for easy setup and added puncture protection
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Inner Strength casing offers lightweight yet strong sidewall protection
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Studdable design for increased grip on icy surfaces
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Compatible with Bontrager Tire Studs and Stud Tool
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27.5" tire accepts up to 216 studs (26" accepts 160 studs)
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Size: 27.5" × 4.5"
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Color: Black
Ideal for: Fat bike riders who want maximum winter traction and the option to add studs for extreme ice control.
Shipping information
Ships in 2–3 business days with free delivery across Canada on orders over $99. Same‑day pickup available Tue–Sat (closed Sun–Mon).
Returns & warranty
Enjoy hassle‑free returns within 30 days on unused items in original packaging (excludes bikes and sale items). Free in‑store returns anytime.