Category Archives: Components

A full line of Extra Leger tires

The Grand Bois Extra Léger tires have been available for the better part of a year now, and the feedback has been entirely positive. Compared to the standard Grand Bois tires, the Extra Léger (Extralight) models use an even lighter … Continue reading

Posted in Tires | 39 Comments

700C x 29 mm Extra Léger Tires

We asked Grand Bois for Extra Léger tires in other sizes than those already available. As a result, we now have a limited quantity of 700C x 29 mm (28 mm nominal width) Grand Bois Extra-Léger tires available. They are … Continue reading

Posted in Tires | 15 Comments

Extra-Leger Tires in Stock

Many of our customers have been waiting patiently for the Grand Bois Extra Léger tires. These tires are made in small quantities, so they are hard to keep in stock. We just received another shipment. The latest batch has tan … Continue reading

Posted in Tires | 34 Comments

It’s Not Easy to Be Honest

I used to wonder why manufacturers offer things that are popular, even though they don’t work well. I recently read an interview with a BMW engineer, who complained about the huge wheels that the company now puts on their cars. … Continue reading

Posted in Rene Herse cranks, Testing and Tech | 89 Comments

Tire Width: how much difference do a few millimeters make?

At Compass Bicycles, we often get the question: “I am riding 23 mm tires right now, and I wonder whether a 25 mm-wide tire would make a noticeable difference.” The graph below, taken from the Spring 2013 issue of Bicycle … Continue reading

Posted in Testing and Tech, Tires | 72 Comments

Tire Wipers

Many cyclists are tempted by the performance and comfort of supple tires, but they are afraid that they might get too many flats without puncture-resistant belts and reinforced sidewalls. Tire Wipers improve the flat resistance of your tires without detracting … Continue reading

Posted in Tires | 30 Comments

Berthoud Handlebar Bags without Side Pockets

On my own bikes, I use Gilles Berthoud handlebar bags without side pockets. The side pockets tend to get in the way of my hands when I ride bikes with narrow handlebars. Furthermore, the pockets probably increase the wind resistance … Continue reading

Posted in Racks/Bags | 39 Comments