Tires & Tubes

The Tire Pressure Revolution, by Jan Heine

Editor’s Note: We have often cited articles or research from Bicycle Quarterly in these pages, and most recently we’ve been following, with particular interest, their studies on tire pressure. Coach Fred Matheny has referenced that research in his recent reviews of the new, wider tires from Compass Bicycles, a BQ sister company. In the back-and-forth communications about those reviews, Bicycle Quarterly Editor Jan Heine offered to distill their tire pressure research and findings into an article specifically for RBR. We happily accepted Jan’s gracious offer. The result follows.

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What Are the Benefits of Presta Valves?

Editor's Note: One of the perks of being an RBR Premium Member is the ability to send us a direct question using the Ask RBR a Question form at https://roadbikerider.com/ask-rbr-a-question. Oftentimes, the question is about a specific training or tech issue relevant only to the Member asking the question. At other times, though, we get a question whose answer is quite interesting and worth sharing with all RBR readers. Such is the case with a recent question we received about the benefits of Presta valves.

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How Can Pinch Flats be Prevented?

Pinch flats are caused when you ride into something that causes a sharp impact — a rock, railroad track or edge of a pothole are prime culprits. The impact compresses the tire so much that the tube is pinched between it and edges of the rim. This causes 2 small holes about half an inch apart on the rim side of the tube.

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True Tubeless

Longtime readers will recall that RBR was the first publication to review the road tubeless system. Thanks to Shimano and Hutchinson reaching out to me, we were able to get one of the first wheel and tire setups and hit the road. That would have been about 2007. I loved the performance of the wheels and tires and raved about them in that first review and in several follow-up stories.

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