Category Archives: Tires

Tires

The Art of Compromise

It may be popular to talk about “no-compromise” products, but the reality is that the best products involve a careful balance of features and properties. Take our new Compass tires… We could have made them lighter! The only place to … Continue reading

Posted in Tires | 27 Comments

Feedback on the new Compass Tires

As we get the first feedback from riders about our new Compass tires, it’s nice to hear that others enjoy them as much as we do. Here are a few samples of unsolicited feedback: “I used the new Barlow Pass … Continue reading

Posted in Tires | 25 Comments

Introducing the Full Line of Compass Tires

Compass Bicycles Ltd. introduces a full line of high-performance tires in both 700C and 650B sizes. The narrower 700C tires are a great way to transform the performance and comfort of a racing bike. The wider 700C tires, especially the … Continue reading

Posted in Product News, Tires | 161 Comments

Wide and Fast Tires

Wider tires are faster – as outlined in this recent post. That isn’t the whole story, though, as many wide tires actually are quite slow. The reason for this is simple: Tire width is only one factor determining a tire’s … Continue reading

Posted in Tires | 43 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

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

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

How Wide a Tire Can I Run?

Many cyclists want to ride on wider tires, but are limited by the clearances of their bikes. So they want to use the widest tires their bike can fit. How do you determine your bike’s maximum tire width? You need … Continue reading

Posted in Tires | 27 Comments

Grand Bois Extra Leger in All-Black

The black Cyprès Extra Léger 700C x 32 mm tires are in stock now. Our first run of 700C x 32 mm Grand Bois Cyprès Extra Léger tires sold out within a month. The reason is not just higher-than-anticipated demand, but … Continue reading

Posted in Tires | 37 Comments

Grand Bois “Extra Léger” Tires

Grand Bois tires are hard to improve, but that hasn’t kept us from trying. The result of years of research and development are the new Grand Bois Extra Léger (French for “extra light”) tires. This special casing is usually reserved … Continue reading

Posted in Rides, Tires | 53 Comments

Compass 26″ x 1.5″ Tires

We now offer the Compass 26″ (559 mm) tires in a slightly narrower 1.5″ (37 mm) width, in addition to the popular 1.75″ (44 mm) model. These tires are great for an existing mountain bike, touring bike, or 26″-wheeled tandem. … Continue reading

Posted in Tires | 37 Comments

Hutchinson 650B x 32 mm Tires

Compass Bicycles now carries the Hutchinson “Confrérie des 650″ tire. The Confrérie des 650 was created by French riders who loved their 650B bikes. They were concerned that the wheel size might become extinct, leaving them without rims and tires … Continue reading

Posted in Product News, Tires | 11 Comments

Bicycle Quarterly: Performance of Tires

Perhaps the most influential topic in Bicycle Quarterly has been our research on the resistance of tires, first published in Vol 5, No. 1 (above). It is not a coincidence that 5 years after that issue was published, professional racers … Continue reading

Posted in Bicycle Quarterly Back Issues, Testing and Tech, Tires | 50 Comments

Preventing Flat Tires: One Year of Tire Wipers

Supple tires with relatively thin tread greatly contribute to the joys of cycling. They roll much faster and are more comfortable. However, they also tend to be more prone to punctures. On the other hand, “flat-resistant” tires are harsh and … Continue reading

Posted in Testing and Tech, Tires | 36 Comments

Mounting Tires on Rims with Deep Wells

Sometimes we get a call or an e-mail from a frustrated customer: “I have a brand-new set of your tires, and both wobble when I mount them on my rims.” In most cases, it is not the tires’ fault. Usually … Continue reading

Posted in hubs/rims, Tires | 41 Comments

The Downsides of Wide Tires

Since we have published a post about “The Dangers of Narrow Tires,” it is only fair that we look at the other side of the coin. What are the disadvantages (or even dangers?) of wider tires? I can think of … Continue reading

Posted in Testing and Tech, Tires | 72 Comments