Tag Archives: GPS

Gear Calculator updated!

Posted on February 12, 2018 by John

Our gear calculator is now updated to cover the newest cassettes from Shimano, SRAM and SunRace. — Still to update: the French- and German-language versions.

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Cyclecomputer and GPS database update

Posted on October 9, 2017 by John

Our cyclecomputer and GPS database is undergoing a major review. We’re not all done yet but we have fixed a number of bad links where manufacturers dropped support — thanks to the Internet Archive and our backup copies. And then … Continue reading →

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RideWithoutGPS

Posted on March 31, 2017 by John

Technology can just get to be too much. Do you lose valuable riding time fiddling with your phone or GPS device? Bet you do. The battery will run out, sooner or later. On some unfamiliar backroad. Off-roading deep in the … Continue reading →

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LED headlight update

Posted on February 9, 2017 by John

Additions to the page about LED headlights — lots of new information, about why lights which are well-designed for nighttime use can be good as daytime running lights, but some that are impressive in daylight don’t do so well at … Continue reading →

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Cyclecomputer database updated

Posted on July 29, 2016 by John

We looked high and low to add to our listing of cyclecomputer and bicycle-GPS owner’s manuals. It’s the most complete one you’ll find. We’ve been downloading manuals too so we can still make them available when they are deleted from … Continue reading →

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Cyclecomputer math: how accurate?

Posted on July 25, 2016 by John

We tested three cyclecomputers against one another. Our experiment reveals a lot about their inner workings. Differences in some of their readings were large enough to matter. Read about this in our new article.

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Gear Calculator updated and now also in German

Posted on February 11, 2016 by John

The Sheldon Brown gear calculator is updated and improved: more tire sizes are covered including fatbikes, 29ers, 29+ and monster bikes, and we now have a version in German, as well as French.

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Riding with RidewithGPS

Posted on January 10, 2016 by John

New article on riding with the RideWithGPS app. What you need to know to get started: mounting your phone, keeping it charged, downloading routes, and recording your rides.

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Cyclecomputer and GPS accuracy

Posted on August 29, 2015 by John

New page about the history of distance and speed measurement on bicycles, and the limitations of accuracy in measurement. Did you know that GPS readings wander, so you can rack up some distance even if you are standing still?

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Cyclecomputer database

Posted on August 17, 2015 by John

Our pages of cyclecomputer instructions have now been brought completely up to date, with links to user manuals for almost every make and model, including GPS. These pages are a unique resource.

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