Category Archives: Testing and Tech

Research & Development

Over the last decade-and-a-half, I’ve thought a lot about product development. Long before Bicycle Quarterly and Compass Bicycles, I was involved with several companies as a technical writer and translator. Part of my job was writing instructions, so I got … Continue reading

Posted in Testing and Tech, Tires | 43 Comments

Tire Pressure: Data and Details

A little while ago, I wrote about how new scientific research has allowed us to design wide, supple tires that offer the speed of narrow, high-end racing tires. The key finding is that above a certain threshold, increasing tire pressure … Continue reading

Posted in Testing and Tech, Tires | 19 Comments

The Tire Pressure Revolution

Of all our research on tires, the most revolutionary finding is this: Tire pressure has almost no effect on a tire’s speed. We did not believe it at first, either, so we’ve tested it numerous times. It’s been confirmed numerous … Continue reading

Posted in Testing and Tech, Tires | 124 Comments

The Biomechanics of Planing

We discussed “planing” in a recent post by looking at power data from a double-blind test of two different bikes. The data showed that the same rider’s power output was consistently higher on a bike with a more flexible frame … Continue reading

Posted in Testing and Tech | 84 Comments

What is Planing?

Can a 650B randonneur bike climb as well as the best titanium racing bikes? It did climb as well in a Bicycle Quarterly test, and that raised a few eyebrows. After all, the randonneur bike weighed 10 pounds more… Theoretically, … Continue reading

Posted in Bicycle Quarterly Back Issues, Testing and Tech | 110 Comments

Putting Our Lives on the Line

Testing bicycles may sound like a dream job – you get to ride all kinds of bicycles without having to pay for them – but it comes with risks. We ride the bikes hard, although we don’t abuse them. We … Continue reading

Posted in Cycling Safety, Testing and Tech | 80 Comments

“What’ll she do?”

When I was a kid, I loved cars. My first question to any owner of a sports car was: “What’ll she do?” I approach bikes similarly – I care about how they ride first and foremost. Some cyclists these days … Continue reading

Posted in Testing and Tech | 39 Comments