-
Recent Posts
Recent Comments
- John on No joke
- John on Osman Isvan on Hills, Winds — and Data
- AlGrayson on No joke
- Lloyd on Remembering Sheldon
- Adam on Osman Isvan on Hills, Winds — and Data
advertisement
Archives
- November 2024
- July 2024
- May 2024
- March 2024
- November 2023
- March 2023
- January 2023
- December 2022
- October 2022
- August 2022
- July 2022
- May 2022
- April 2022
- March 2022
- February 2022
- January 2022
- December 2021
- November 2021
- September 2021
- July 2021
- June 2021
- April 2021
- March 2021
- February 2021
- January 2021
- December 2020
- September 2020
- July 2020
- June 2020
- May 2020
- April 2020
- March 2020
- February 2020
- December 2019
- November 2019
- October 2019
- August 2019
- July 2019
- June 2019
- May 2019
- April 2019
- February 2019
- January 2019
- December 2018
- November 2018
- September 2018
- August 2018
- July 2018
- May 2018
- April 2018
- March 2018
- February 2018
- January 2018
- December 2017
- November 2017
- October 2017
- September 2017
- July 2017
- June 2017
- March 2017
- February 2017
- January 2017
- December 2016
- November 2016
- October 2016
- September 2016
- August 2016
- July 2016
- June 2016
- May 2016
- April 2016
- March 2016
- February 2016
- January 2016
- December 2015
- November 2015
- October 2015
- September 2015
- August 2015
- July 2015
- June 2015
- May 2015
- April 2015
- March 2015
- February 2015
- January 2015
- December 2014
- November 2014
- October 2014
- September 2014
- August 2014
- July 2014
- June 2014
- May 2014
- April 2014
- March 2014
- February 2014
- January 2014
- November 2013
- October 2013
- September 2013
- August 2013
- July 2013
- June 2013
- May 2013
- April 2013
- February 2013
- January 2013
- December 2012
- November 2012
- July 2012
- June 2012
- May 2012
- April 2012
- January 2012
- November 2011
- October 2011
- September 2011
- August 2011
- July 2011
- May 2011
- April 2011
Categories
Meta
advertisement
Author Archives: John
No joke
It is traditional for sheldonbrown.com to post an April Fool’s day page, but this year we couldn’t think of one that wasn’t either frivolous or, if it addresses the present situation, dark humor and potentially offensive to people who have … Continue reading
Posted in Updates
Tagged 2020, Civid, covid-19, humor, joke, mask, Sheldon Brown, sheldonbrown, Sheleon
2 Comments
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
Posted in Updates
Tagged action cam, Audacity, audio, bicycle, camcorder, clapboard, clapstic, FPS, helmet cam, helmet camera, NTSC, PAL, progressive, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com, sync, synch, synchronizing, time code, video
Comments Off on Synchronizing Audio and Video
Braking News
We have updated our page about the different types of bicycle brakes, which added descriptions and several photos illustrating the different types.
Posted in Updates
Tagged bicycle, brakes, caliper, cantilever, direct pull, disk, drum, Sheldon, Sheldon Brown, sheldonbrown, V brake
Comments Off on Braking News
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.
Posted in Updates
Tagged bicycle, bottom bracket, compatibility, cotterless, crank, crank arm, dimensions, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com, spindle, square taper, taper
Comments Off on Additions to cranks page
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.
Posted in Updates
Tagged 29er, 32 inch, 36 inch, 7-speed, 8-speed, 9-speed, bicycle, bicyclette, braquets, calculator, children, cranks, development, Entfaltung, Fahhrad, fatbike, gain, gain ratio, gear inches, gearing, GPS, internal-gear, length, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com, v
1 Comment
Revised article on truing wheels
We have a major revision to our article on truing wheels, referring to some new tools and additional techniques. There are several new photos. Enjoy.
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.
Posted in Updates
Tagged 360, 360 degree, bicycle, Garmin, GPS, shelbroco, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com, video, VIRB, VIRB 360
Comments Off on Addition to post about 360-degree video
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.
