Author Archives: John

Raleigh Twenty hinge repair

The frame of my Raleigh Twenty folding bicycle collapsed, bending the upper hinge plate when the nut underneath the hinge stripped its threads or unscrewed. Though this damage seemed hopeless at first, an excellent repair proved possible without using any … Continue reading

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Updates to creaks and clunks page

More diagnostics. Listen, your bike might be telling you something!

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Update to Deshaker video image stabilization page

We’ve described new features and interface updates. https://sheldonbrown.com/deshaker.html

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Update to our Rollerbrake page

New references, broken links fixed. https://sheldonbrown.com/rollerbrakes.html

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Major update on Shimano 8-speed IG hubs

New info on efficiency, updates to newer resources on Nexus and Alfine 8-speeds.

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The ShelBroCo Backup System

Electronic attitude and heading reference system with stability, ABS and traction control. Powered steering assembly. Once again, ShelBroCo is off the front with new technology. Read about it here!

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SunTour freewheel page covers more models

The SunTour freewheel page now covers Winner Pro, Winner and Alpha models in addition to Perfect, Pro Compe and New Winner.

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Rollercam and U-Brake Update!

For once, Sheldon Brown was wrong. Evidently, he never worked on a U brake! The procedure to adjust their return springs’ tension is unusual. Reader Peter Stock has provided the needed information, with photos. Check it out on our U-brake … Continue reading

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ShelBroCo and OpenAI

When OpenAI lets you down, ShelBroCo can save the day.

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The site is now displaying normally.

The site is displaying correctly again. Somehow permissions got changed on include files, tables and images, not our doing. But our Web host has now corrected the problem. Enjoy!

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