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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.
"Adding 160 tungsten studs to the Gnarwhal clearly adds a lot more gnar, not to mention a lot more bite in icy conditions"
Read more"A very good low weight fast rolling tire that works well all around on hard packed snow,loose snow and icy sections"
Read more"Testers were pleasantly surprised that there wasn't more rolling resistance while riding the Gnarwhal tires"
Read moreGet all your favorite apparel from over 80 of the world's best cycling brands delivered right to your doorstep or local Trek retailer when you shop our curated online collection. If you're not 100% satisfied, you can return your purchase within 30 days for a full refund.
Shop all gearFlats happen, learn how to change your tube quickly so you can get back rolling.
Learn moreSetting your bike’s tire pressure correctly will give you a more comfortable ride with better grip and handling. Learn how.
Learn moreTrek is committed to changing the world by getting more people on bikes, and it starts with sending kids down the right trail. We’ve pledged $1 for every MTB tire sold, totaling over $1 million in support to the National Interscholastic Cycling Association, the governing body for middle- and high-school mountain biking in the US.
Read moreIf 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 moreWe'll help you find the right rubber for the trails you love to ride.
Find your tireThe right tire can make every ride better! Find the best tire for however and wherever you ride.
Find your tireSize | 27.5" x 4.5" |
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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 |
Construction | Inner Strength |
Studdable | Yes |
Sealant volume | Not applicable |
Weight | 1515g |