Tag Archives: computer

Remembering Sheldon

Sheldon Brown would have been 77 years old today. We miss him very much. In this picture his big brother Richard is reading to him. And at the right is the cover of the book Richard was reading. “Run, run … Continue reading

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First cyclecomputer?

Our cyclecomputer database goes deep. We have found, scanned and posted a PDF of the manual for what is probably the first cyclecomputer, the Veltec Pacer 2000. We also have manuals for early Cateye, Avocet and Vetta computers, and rare … Continue reading

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Cyclecomputer and GPS database updated

Sheldonbrown.com has compiled links to more cyclecomputer and bicycle GPS manuals, old and new, than you will find anywhere else on the Internet. We have once again added information on new models and re-linked when a brand has discontinued support, … Continue reading

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Cyclecomputer and GPS database update

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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Cyclecomputer database updated

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?

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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Remembering Sheldon

“The bicycle on the cover was produced on the Management Graphics Table Top Slidemaking System at Crimson Camera Technical Sales in Boston.  A bicycle enthusiast created the image using the tablet menu and cursor tracker.  The bicycle is made up … Continue reading

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Cyclecomputer and GPS accuracy

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

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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