How to change a flat tyre
Flats happen, learn how to change your tube quickly so you can get back rolling.
Learn moreHow to pump up your tyres
Setting your bike’s tyre pressure correctly will give you a more comfortable ride with better grip and handling. Learn how.
Learn moreHow to: Pump your tyres
Setting your bike's tyre pressure correctly will give you a more comfortable ride with better grip and handling. Even better, it can help prevent flats
Watch the videoGo By Bike
Planet Earth is our home and our responsibility – we must do our part to preserve it. Learn how you can join the #GoByBike movement and help make a difference in the future of our planet and all who call it home.
Read moreResponsibility
There's a lot more to Trek than making the world's best bikes and cycling gear. Learn more about everything Trek is doing to make the cycling space safer and more inclusive, plus a whole lot more fun.
Read moreCulture
Trek culture is who we are, what matters to us and what we do as a brand. Take a look behind the scenes at Trek’s global headquarters.
Read 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 US $1 for every MTB tyre sold, totalling over $1 million in support to the US National Interscholastic Cycling Association, the governing body for junior- and secondary-school mountain biking in the US.
Read moreProduct features
Race-Ready
Light-weight for quick accelerations and efficient climbing, the XR1 features a tread and compound that rolls faster, making it the go-to racing tyre 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 tyre durability without a weight penalty.
Fast-Rolling Tread
XR1 Features a smooth centre tread that accelerates quickly and maintains speed easily. 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 tyre feel.
Tubeless-ready
A properly set up tubeless system lets you run lower tyre 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.
Learn moreYour guide to MTB tyres
We'll help you find the right rubber for the trails you love to ride.
Find your tyreTry our tyre finder
The right tyres can make every ride better! Find the best tyres for however and wherever you ride.
Find your tyreOur tyres build strong kids
$1 from the sale of every Bontrager mountain bike tyre supports the US National Interscholastic Cycling Association. NICA is one of the fastest-growing secondary 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 |
| Durometer | 62a/60a |
| Bead | Folding |
| Type | Tubeless Ready (TLR)/Clincher |
| Maximum pressure | 50 psi |
| ETRTO | 56-622 |
| Tread | Knobby |
| Construction | Inner Strength |
| Studdable | No |
| Sealant volume | 85 ml |
| Weight | 630g |