Category Archives: Testing and Tech

Fully Equipped Bikes – Follow-Up

A little while ago, we talked about how sports cars are equipped with lights and fenders, and nobody thinks they are less sporty for it. Performance bicycles don’t have lights and fenders, because most “weekend warriors” don’t think they need … Continue reading

Posted in A Journey of Discovery, Testing and Tech | 24 Comments

Fully Integrated Design

Car drivers are lucky: They can buy sports cars that are fully equipped to be driven in the rain and even at night. And their fenders rarely rattle loose, their lights don’t fall off, and most car owners think little … Continue reading

Posted in Our Bikes, Testing and Tech | 25 Comments

Preventing Flat Tires

Every cyclist knows the sensation: You ride along, feeling at one with your bike and the world. Suddenly you notice your tire going soft, often accompanied by a hissing sound. Like Icarus, who flew too high and got singed by … Continue reading

Posted in Testing and Tech, Tires | 13 Comments

How Durable are Grand Bois Tires?

Tires are the most important component of your bike. Supple high-end tires roll faster and are more comfortable. A set of great tires transforms your bike’s feel. The down side is that high-end tires can be more fragile than sturdy … Continue reading

Posted in Our Bikes, Product News, Testing and Tech, Tires | 23 Comments

The Cover Photo

A number of readers have asked where the cover photo of our blog (above) was taken. Here is the story: An old road above Leschi in Seattle switchbacks though an Olmsted Park, with a set of  S-curves that we use … Continue reading

Posted in Testing and Tech | 17 Comments

Bicycle Stability – Everything Works Together

New theoretical research in bicycle stability shows that many parameters interact to make a bicycle stable. No single parameter (e.g.: trail, head angle, wheel size, weight distribution) determines whether a bicycle is stable or not. When one parameter is altered, … Continue reading

Posted in Testing and Tech | 12 Comments

Braking Technique

For an article in Adventure Cyclist, I needed a photo on braking technique, so my children and I went to a steep hill in Discovery Park. They rode up and down the hill while I snapped photos. Even though the … Continue reading

Posted in Testing and Tech | 13 Comments

A Journey of Discovery, Part 7: The Future

In this series, we have explored how our preferences changed from mid-trail geometries, 700C x 28 mm tires and saddlebags to low-trail 650B bikes with much wider tires and handlebar bags. What will come next? Will we soon ride fully-faired carbon … Continue reading

Posted in A Journey of Discovery, Our Bikes, Testing and Tech | 21 Comments

Which Bike to Ride?

Most of the time, I ride two bicycles: My 1973 Alex Singer Randonneur for spirited rides with friends, and my Grand Bois Urban Bike for rides that involve carrying loads that do not fit in a handlebar bag. (Due to … Continue reading

Posted in Our Bikes, Testing and Tech | 38 Comments

A Journey of Discovery, Part 5: Frame Stiffness

In the previous parts of this series, we have looked at how our preferences in bicycles changed over time. We started out on “state-of-the-art” bikes with mid-trail geometries, 700C x 28 mm tires and saddlebags. How did we come to … Continue reading

Posted in A Journey of Discovery, Our Bikes, Testing and Tech, Uncategorized | 27 Comments

A Journey of Discovery, Part 4: Front-End Geometry

How did our preferences change from our familiar bikes with mid-trail geometries, 700C x 28 mm tires and saddlebags to low-trail 650B bikes with much wider tires and handlebar bags? In the previous parts of this series, we related how we … Continue reading

Posted in A Journey of Discovery, Our Bikes, Testing and Tech | 23 Comments

A Journey of Discovery, Part 3: Wide 650B Tires

How did our preferences change from our familiar bikes with mid-trail geometries, 700C x 28 mm tires and saddlebags to low-trail 650B bikes with much wider tires and handlebar bags? In the first two parts of this series, we talked about … Continue reading

Posted in A Journey of Discovery, Our Bikes, Testing and Tech | 17 Comments

A Journey of Discovery, Part 2: Handlebar Bags and Aluminum Fenders

In the last installment of this series, we looked at the bikes we rode when Bicycle Quarterly got started almost a decade ago. How did our preferences change from our familiar bikes with mid-trail geometries, 700C x 28 mm tires … Continue reading

Posted in A Journey of Discovery, Our Bikes, Testing and Tech, Uncategorized | 16 Comments

Tire Sizes

Making tire molds continues to be an inexact art. For decades, riders have complained that many tires, especially wider ones, do not run “true to size.” In most cases, tires were narrower than their stated width, which caused Sheldon Brown … Continue reading

Posted in Product News, Testing and Tech, Tires | 10 Comments

A Journey of Discovery, Part 1: What We Used to Ride

We sometimes hear people criticize our technical analyses: “Bicycle Quarterly’s testers simply prefer they bikes that they ride most. You get used to anything, and then you prefer it.” Or: “Jan has got his preferences. He started a magazine so … Continue reading

Posted in A Journey of Discovery, Our Bikes, Testing and Tech, Uncategorized | 29 Comments

Handlebar Width

A few people have asked about handlebar width in our handlebar discussion. Grand Bois handlebars come in widths between 41 and 43 cm, which may appear narrow by today’s standards. Many riders, even very tall ones, prefer relatively narrow handlebars. … Continue reading

Posted in Handlebars, Testing and Tech | 10 Comments

More on Handlebars: Randonneur Model

My all-time favorite handlebar shape is the old AVA Randonneur: The Randonneur shape makes the “behind the hoods” position even more comfortable than the Philippe Professionel. When you look at your hand as you hold the bars, your palm forms … Continue reading

Posted in Handlebars, Product News, Testing and Tech | 12 Comments

Handlebars Old and New

The Philippe Professionel used to be one of the favorite handlebars of racers and randonneurs alike. In 1951, Hugo Koblet won the Tour de France with these handlebars. René Herse’s catalogue of the same year shows these handlebars on the … Continue reading

Posted in Handlebars, Product News, Testing and Tech | 13 Comments

Science and Bicycles 1: Tires and Pressure

Most cyclists are interested in improving their bike’s performance, because rolling along at considerable speed while expending relatively little effort is one of the great appeals of cycling. Before you can improve your bike’s performance, you need to know what … Continue reading

Posted in Testing and Tech, Tires | 8 Comments