Tag Archives: sheldonbrown.com

Osman Isvan on Ride Data

Osman analyzes data from over 1000 of his own bicycle rides to see what they show, and describes what might be discovered by mining the huge troves of data held by Strava, RidewithGPS and other GPS-based mapping services. Osman makes … Continue reading

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Synchronizing Audio and Video

Sheldonbrown.com technical writer and editor John Allen frequently shoots video from his bicycle using more than one camera; sometimes a separate audio recorder. The output must be synchronized in post production. John has now performed a major update on his … Continue reading

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Additions to cranks page

John has added quite a bit of text to the cranks page; more about crank length, and an entirely new section on how to check for several kinds of damage; also several illustrations where there were none before.

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Gear calculator updated

The Gear Calculator has been updated with new Shimano, SRAM and Campagnolo cassettes, and the new Shimano Steps 5-speed internal-gear hub for E-bikes. French and German versions of the Calculator have been updated too.

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Addition to post about 360-degree video

Thanks to Philip Carlson, our article about 360-degree video now includes a video clip illustrating the nighttime performance of the Garmin VIRB 360 camera. As expected, there is camera-motion blur, but it looks much different from that with a conventional camera.

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Rebuilding freewheels

We have a much expanded description of how to rebuild a freewheel, now a new article and no longer just a paragraph in our main article on freewheels.

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Revisions to Sachs/SRAM Internal-gear hub pages

Every once in a while we go back and review our pages to deal with product changes and link rot. We just did that with all our pages about Sachs and SRAM internal-gear hubs. You will find product manuals here … Continue reading

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Deinterlacing video

We have many pages about shooting, editing and processing bicycle video. Here’s a new page about deinterlacing. What is that? well, the page will tell you. It can do a lot to improve the quality of older standard-definition video footage, … Continue reading

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Addition to freewheels page

There’s a new section in our freewheels page showing how freewheels work and what is inside.

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Sheldon’s 75th

Sheldon Brown would have been 75 years old today. We miss him dearly. Sheldon Brown T-shirts are sold by Harris Cyclery at the store and by mail order. Proceeds from the sale of these T-shirts will be donated to bicycle … Continue reading

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