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Fast Rolling With Fierce Traction
The XR3 is the perfect tire for riders who want traction and speed in a variety of trail conditions. Smaller center knobs allow you to maintain speed while aggressive side knobs add cornering confidence. Pair this with an advanced rubber compound and Inner Strength casing and you've got a great tire for race day or just an afternoon out on the trails.
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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
Versatile traction
The redesigned and race-ready XR3 is a fast-rolling, do-it-all tire with fierce traction.
Fast and fierce
We combined a fast-rolling center tread with aggressive side knobs for consistent cornering and traction across a variety of trail surfaces.
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 2.8" | 29" x 2.2" | 29" x 2.4" |
|---|---|---|---|
| Diameter | 27.5" | 29" | 29" |
| Width | 2.8" | 2.2" | 2.4" |
| TPI | 120 TPI | 120 TPI | 120 TPI |
| Compound | 62a/60a | 62a/60a | 62a/60a |
| Bead | Folding | Folding | Folding |
| Type | Tubeless Ready (TLR)/Clincher | Tubeless Ready (TLR)/Clincher | Tubeless Ready (TLR)/Clincher |
| Max pressure | 30psi | 50psi | 50psi |
| ETRTO | 71-584 | 56-622 | 58-622 |
| Puncture protection | Inner Strength | Inner Strength | Inner Strength |
| Studdable | No | No | No |
| Sealant volume | 100mL | 80mL | 85mL |
| Weight | 842g | 635g | 755g |