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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 gearNICA 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 moreRace Ready
Light-weight for quick accelerations and efficient climbing, XR1 features a tread and compound that rolls faster, making it the go-to race tire for Trek Factory racers on the fastest World Cup courses.
Inner Strength
Our Inner Strength Casing is made of a lightweight nylon insert that provide strong, supple sidewall protection for added tire durability without a weight penalty.
Fast Rolling Tread
XR1 Features a smooth center tread that accelerates quickly and easily maintains speed. The more aggressive side knobs add grip and confidence for cornering and through more technical sections.
TM-Speed compound
Our proprietary TM-Speed compound is designed to roll faster without sacrificing traction. 120 TPI construction keeps it lightweight and fast, with a great tire feel.
Tubeless ready
A properly set up tubeless system lets you run lower tire pressure for better traction, added confidence, and a smoother, faster ride.
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.
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Your guide to MTB tires
We'll help you find the right rubber for the trails you love to ride.
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Our tires build strong kids
$1 from the sale of every Bontrager mountain bike tire supports the National Interscholastic Cycling Association. NICA is one of the fastest-growing high school sports in North America and Trek is proud to support their efforts to provide opportunities for all American youth to build strong body, mind, and character through mountain biking
| Size | 29" x 2.2" |
|---|---|
| Diameter | 29" |
| Width | 2.2" |
| TPI | 120 TPI |
| Compound | 62a/60a |
| Bead | Folding |
| Type | Tubeless Ready (TLR)/Clincher |
| Max pressure | 50psi |
| ETRTO | 56-622 |
| Puncture protection | Inner Strength |
| Studdable | No |
| Sealant volume | 85mL |
| Weight | 630g |