Versatility is the name of the game for the XR3 Comp mountain bike tire. It's the quickest, highest value rubber for the widest variety of trail conditions—from hard-packed singletrack to loam and everything in-between.
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!
Watch video
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 gear
Flats happen, learn how to change your tube quickly so you can get back rolling.
Learn more
Setting your bike’s tire pressure correctly will give you a more comfortable ride with better grip and handling. Learn how.
Learn more
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 more
