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  • Bontrager XR4 Team Issue TLR MTB Tire

The go-to tire for aggressive riders

The XR4 Team Issue TLR tire offers incredible grip and fast-rolling efficiency in a new and improved tread pattern with 120 TPI casing. Save yourself from punctures with our Inner Strength sub-tread protection while squeezing out every bit of cornering traction with the 61a/50a dual-compound rubber. This tire really is that good.

Product details

  1. An aggressive trail tire that excels in loose and rocky conditions
  2. Aggressive tread design provides confident cornering and braking traction in demanding terrain
  3. Tubeless Ready (TLR) tire is engineered for easy tubeless setup and puncture protection
  4. Supple and strong Inner Strength casing provides lightweight sidewall protection
  5. Lightweight 120 TPI casing provides great ride feel and tire performance
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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!

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"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"

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How to change a flat tire

Flats happen, learn how to change your tube quickly so you can get back rolling.

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How 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.

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How to: Pump your tires

Setting your bike's tire pressure correctly will give you a more comfortable ride with better grip and handling. Even better, it can help prevent flats

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Go 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.

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Responsibility

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, more inclusive, plus a whole lot more fun.

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Culture

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.

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NICA 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.

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