Tag Archives: sheldonbrown.com

Damon’s do-it-yourself carbon-fiber bicycle frame

Posted on October 1, 2015 by John

Damon Rinard built a carbon-fiber bicycle frame in his garage! And we have just updated his pages describing how he did it, including sources for materials and tools. He points out that it’s actually much easier to build a carbon … Continue reading →

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Check spoke tension by ear when building a wheel

Posted on September 23, 2015 by John

Check the level of spoke tension by ear — unless you are tone deaf, a musical pitch reference (pitch pipe, tuning fork, smartphone app etc.) is all you need to tell whether you have brought spokes up to the appropriate … Continue reading →

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Spocalc revised

Posted on September 10, 2015 by John

The page for Damon Rinard’s spoke calculator has been revised, with an updated list of online spoke calculators, several comments and links, and better formatting. Now also includes links to spoke-calculator apps for iOS and Android smartphones!

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SunTour Perfect, Pro-Compe and New Winner freewheels

Posted on September 2, 2015 by John

New page on SunTour Perfect, Pro-Compe and New Winner freewheels. These are no longer made, but there are a lot of them around and they offer many options including the ability to work with older frames that have smaller overlocknut … Continue reading →

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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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Additions to the Gear Calculator

Posted on July 25, 2015 by John

New crank lengths have been added to the Gear Calculator and Internal Gear Calculator, so they can calculate gain ratios for children’s bicycles with cranks down to 100 mm (less than 4 inches).

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More hubs in cable-pull cribsheet

Posted on July 18, 2015 by John

Added information on four hubs to the internal-gear hub cable pull cribsheet: Shimano Alfine 11-speed SRAM G9 Sturmey-Archer S3X Sturmey-Archer ASC Thanks to Jeff Meredith and Michael Wilson for the measurements!

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Measuring tricks

Posted on July 11, 2015 by John

We have a new article on how to perform the precise measurements needed to determine whether bicycle parts fit each other, without expensive and fragile tools. There are a number of clever tricks — for example, you can test the … Continue reading →

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Reorganization of headset tables

Posted on July 2, 2015 by John

Our tables of headset sizes have been reorganized to make it easier to determine which headset can be made to fit which frame and fork. Fork crown race seats can be milled down and head tube race seats can be … Continue reading →

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