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How To: Choose Mountain Bike Tires
The right tire makes all the difference. Watch as Cam McCaul walks you through each of the four categories and then choose which ones work best with your riding style!
"Spot-on"
"Mud, grease, wet roots, hard packed, leaf covered, you name it—these XR4s stick to everything and always tempt me to push harder and harder"
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4.5/5 stars
"One of our favorites...Excellent, stable but smooth ride feel, trustworthy all-conditions grip and reasonable roll"
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"Great all-rounders"
"They roll quickly, are predictable, brake well, provide excellent hold off-camber and are a reasonable weight with ample protection"
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"Fast-rolling with a predictable response"
"They’ve held up well, excelled in some of the sloppiest conditions I’ve ever ridden in and been both predictable and reliable in all situations"
Read moreAll your favorites, all in one place
Get 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 gearHow to change a flat tire
Flats happen, learn how to change your tube quickly so you can get back rolling.
Learn moreHow to pump up your tires
Setting your bike’s tire pressure correctly will give you a more comfortable ride with better grip and handling. Learn how.
Learn moreNICA story
Trek 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 moreProduct features
Inner Strength
Our Inner Strength Casing is made of lightweight nylon inserts that provide strong, supple sidewall protection for added tire durability.
Go tubeless
A properly set up tubeless system lets you run lower tire pressure for better traction, added confidence, and a smoother, faster ride.
Better together
Bontrager offers a complete tubeless system including wheels, tires, sealant, valves, and rim strips. Every part of this setup is designed to work smoothly together, for the best in performance and ease of use.
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 2.4" | 27.5" x 2.6" | 29" x 2.4" | 29" x 3.0" |
|---|---|---|---|---|
| Diameter | 27.5" | 27.5" | 29" | 29" |
| Width | 2.4" | 2.6" | 2.4" | 3.0" |
| TPI | 120 TPI | 120 TPI | 120 TPI | 120 TPI |
| Durometer | 61a/50a | 61a/50a | 61a/50a | 61a/50a |
| Bead | Folding | Folding | Folding | Folding |
| Type | Tubeless Ready (TLR)/Clincher | Tubeless Ready (TLR)/Clincher | Tubeless Ready (TLR)/Clincher | Tubeless Ready (TLR)/Clincher |
| Minimum pressure | 30psi | -- | 30psi | -- |
| Max pressure | 50psi | 40psi | 50psi | 30psi |
| ETRTO | 58-584 | 66-584 | 58-622 | 76-622 |
| Tread | Knobby | Knobby | Knobby | Knobby |
| Construction | Inner Strength | Inner Strength | Inner Strength | Inner Strength |
| Studdable | No | No | No | No |
| Sealant volume | 2.87oz (85mL) | 3.04oz (90mL) | 3.04oz (90mL) | 3.55oz (105mL) |
| Weight | 765g | 860g | 800g | 1100g |