Category Archives: Testing and Tech

Steilacoom: Our First Cyclocross Tire

It’s no secret that we love cyclocross. It was only a matter of time until Compass Cycles would introduce a ‘cross tire. Like all our products, the new Steilacoom fills a need that currently isn’t being met: a supple, wide ‘cross … Continue reading

Posted in Testing and Tech, Tires | 35 Comments

Minimum Tire Pressure

Over the last few years, the idea that higher pressures don’t make your bike faster finally has become accepted. Many cyclists now run lower pressures to improve comfort and traction, without giving up anything in speed. On gravel, lower pressures … Continue reading

Posted in Testing and Tech, Tires | 39 Comments

Panel Discussion: The Wide Tire Revolution

“Buy the nicest, most supple tires you can afford; and buy them in the widest width that you can fit in your frame.” That is Joshua Poertner’s summary of a panel discussion on Cyclingtips.com. Joshua used to be the president of Zipp, the … Continue reading

Posted in Testing and Tech, Tires | 29 Comments

The Missing Piece: Suspension Losses

How does it work that wide tires are as fast as narrow ones? It is really simple: Comfort = Speed When your bike vibrates, energy is dissipated as friction. That energy must come from somewhere – it no longer is available to … Continue reading

Posted in Testing and Tech, Tires | 62 Comments

The 2016 Technical Trials

This summer saw the first Technical Trials in France since 1949. Then as now, the goal was to find the best “light randonneur” bike. Organized by Christophe Courbou, the magazine 200, and Victoire Cycles, this year’s event was a great success. The … Continue reading

Posted in Rides, Testing and Tech | 28 Comments

The “Friend”, an Affordable Touring Bike

During a recent cyclotouring trip in Japan, we stopped at an onsen hot bath. As we locked up our bikes, I noticed an interesting touring bike, chained to a lamppost. “A few decades ago, a bike like this was every boy’s dream,” my friends … Continue reading

Posted in Testing and Tech | 43 Comments

Suspension Losses Confirmed

Recently, Bicycle Quarterly’s experiments on suspension losses have been replicated and confirmed: Higher tire pressures don’t result in faster speeds – even on smooth pavement. Replicating results is a crucial part of science, which makes the new results an important milestone in the … Continue reading

Posted in Testing and Tech | 80 Comments