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How To: Fix a Flat Bike Tire
Flat? Fixed. Our simple how-to video will show you how to get back on two wheels in no time flat.
"A lot more gnar"
"Adding 160 tungsten studs to the Gnarwhal clearly adds a lot more gnar, not to mention a lot more bite in icy conditions"
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5/5 stars
"A very good low weight fast rolling tire that works well all around on hard packed snow,loose snow and icy sections"
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"Outrageous traction"
"Testers were pleasantly surprised that there wasn't more rolling resistance while riding the Gnarwhal tires"
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30-Day Unconditional Guarantee
Think of it as a 30-day test ride. If for any reason you're not satisfied with your purchase, return it for a full refund!
Learn more$1 for NICA
$1 from every Bontrager mountain bike tire sold supports NICA to support and provide opportunities to the next generation of riders.
Learn moreBest bang for your buck upgrade: Tires
If you're looking for speed, comfort, or confidence with a price that doesn't break the bank, upgraded bike tires are the best benefit to cost upgrade for your bike.
See the tiresProduct features
30-Day Unconditional Guarantee
If for any reason you're not satisfied with a Bontrager or Trek aftermarket purchase, return the item, along with the original sales receipt to the original place of purchase within 30 days for an exchange or refund. Think of it as a 30-day test ride.
Learn moreYour guide to MTB tires
We'll help you find the right rubber for the trails you love to ride.
Find your tireTry our tire finder
The right tire can make every ride better! Find the best tire for however and wherever you ride.
Find your tire| Size | 27.5" x 4.5" |
|---|---|
| Diameter | 27.5" |
| Width | 4.5" |
| TPI | 120 TPI |
| Durometer | 62a/60a |
| Bead | Folding |
| Type | Tubeless Ready (TLR)/Clincher |
| Max pressure | 20psi |
| ETRTO | 114-584 |
| Tread | Knobby |
| Construction | Inner Strength |
| Studdable | Yes |
| Sealant volume | Not applicable |
| Weight | 1515.0g |