Category Archives: Testing and Tech

New Rims and Hammered Fenders

Grand Bois has re-designed their rims, so that they offer proper fit and support for tires. The new rims provide a great alternative for riders who don’t plan to run their tires tubeless, since they make tire installation easier and … Continue reading

Posted in hubs/rims, Testing and Tech | 31 Comments

Winter Clothing: Shell or No Shell?

Quite a few readers have asked about winter clothing. Most of all, they seem surprised that I don’t wear windbreakers or shells unless it is very cold (way below freezing) or raining very hard. What is the best clothing for … Continue reading

Posted in Rides, Testing and Tech | 52 Comments

Tires: How Wide is too Wide?

How wide a tire is too wide for optimum performance? Our research shows that wider tires don’t give up anything on smooth roads, and gain a significant advantage on rough roads. This has been shown for tires up to 31 … Continue reading

Posted in Testing and Tech, Tires | 48 Comments

Experiencing Suspension Losses

Suspension losses cause a significant resistance when riding your bike. We knew this from our testing, but it was illustrated in a powerful way during a 300 km brevet a few years ago. My friend Ryan and I rode in … Continue reading

Posted in Testing and Tech, Tires | 47 Comments

The Price of Performance

Why do high-end bikes and components cost so much more than budget offerings? Both racing bikes in the photo above are made from carbon fiber. Both are equipped with multi-speed drivetrains and Shimano STI shifters. Both have narrow 700C tires. … Continue reading

Posted in Testing and Tech | 99 Comments

How to Brake on a Bicycle

Whether you ride fast or slow, being able to stop quickly is an important skill. Your ability to stop also depends on how well your brakes perform. In Bicycle Quarterly Vol. 10, No. 1, we tested brake performance to determine: … Continue reading

Posted in Bicycle Quarterly Back Issues, Cycling Safety, Testing and Tech | 84 Comments

Walking Your Bike

When the terrain is incredibly steep or rough, cyclists tend to crank it out instead of walking. Walking might feel like defeat – they didn’t “clear” that section. I have gotten to the point where I don’t mind walking when … Continue reading

Posted in Rides, Testing and Tech | 78 Comments