Bontrager XR4 Team Issue TLR MTB Tire

Overview

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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"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"

"One of our favorites...Excellent, stable but smooth ride feel, trustworthy all-conditions grip and reasonable roll"

"They roll quickly, are predictable, brake well, provide excellent hold off-camber and are a reasonable weight with ample protection"

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

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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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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.

Features

Our Inner Strength Casing is made of lightweight nylon inserts that provide strong, supple sidewall protection for added tire durability.

A properly set up tubeless system lets you run lower tire pressure for better traction, added confidence, and a smoother, faster ride.

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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.

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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We'll teach you how to fix a flat, set your wheels up tubeless, and more.

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We'll help you find the right rubber for the trails you love to ride.

Find your tire

The right tire can make every ride better! Find the best tire for however and wherever you ride.

Find your tire

Specs

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

Sizing Service

Reviews

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Awesome free shipping options

30-day Unconditional Guarantee

"Spot-on"

4.5/5 stars

"Great all-rounders"

"Fast-rolling with a predictable response"

More options

All your favorites, all in one place

How to change a flat tire

How to pump up your tires

NICA story

Inner Strength

Go tubeless

Better together

30-Day Unconditional Guarantee

Tire Care 101

Your guide to MTB tires

Try our tire finder

We’ll make this a great experience

Awesome free shipping options

30-day Unconditional Guarantee

"Spot-on"

4.5/5 stars

"Great all-rounders"

"Fast-rolling with a predictable response"

More options

All your favorites, all in one place

How to change a flat tire

How to pump up your tires

NICA story

Product features

Inner Strength

Go tubeless

Better together

30-Day Unconditional Guarantee

Tire Care 101

Your guide to MTB tires

Try our tire finder