Use this highly accurate gauge with the chart in the product image, which shows Bontrager's minimum recommended tread depth.
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 moreGiving your bike a little TLC helps it run smoothly and reduces the chance of maintenance mishaps. Learn how to keep your bike in tip-top shape between tune ups.
Learn moreThere'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.
Read moreGet the insiders masterclass in bike maintenance basics.
Learn moreIf 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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