MIT aluminum bicycle project, 1974

Marc Rosenbaum's 12 1/2-pound aluminum track bike, 1974

Marc Rosenbaum’s 12 1/2-pound aluminum track bike, 1974

Harriet Fell rides her aluminum bicycle, 2005

Harriet Fell rides her aluminum bicycle, 2005

New post: the MIT aluminum bicycle project, 1974, where modern aluminum bicycle frames got their start as student Marc Rosenbaum’s thesis project. sheldonbrown.com site owner Harriet Fell built one of the original MIT aluminum bicycle frames, it came to be an exhibit in a Klein vs. Cannondale lawsuit — and she still rides it!

Bottom bracket of Harriet's bicycle

Bottom bracket of Harriet’s bicycle

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Update to Shimano 7-speed hub gear page

 

Shimano Nexus 7-speed internal-gear hub with Rollerbrake

Shimano Nexus 7-speed internal-gear hub with Rollerbrake

Our Shimano 7-speed hub page is now updated to fix the links which broke when Shimano redid its Web site. We have also added information about new models, and made a few improvements in the text. All of our pages about Shimano internal-gear hubs are now up to date.

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Sturmey-Archer 4, 5 and 7-speed hubs

We have updated our article about Sturmey-Archer 4, 5 and 7-speed internal-gear hubs to reflect changes in hub availability and new documentation.

Sturmey-Archer S%W hub

Sturmey-Archer S5W hub

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Shimano 4-speed IG Hub Page Updated

Shimano Nexus 4-speed page updated — in our continuing quest to keep up to date with Shimano’s ever-changing Web site, we’ve updated the links and related information on Shimano Nexus 4-speed internal-gear hubs

Shimano Nexus 4-speed coaster-brake hub

Shimano Nexus 4-speed coaster-brake hub

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Shimano 8-speed IG hub update

Sheldonbrown.com provides a forwarding page whenever we consolidate or move material. Not so Shimano, which broke all our links to its technical information. Sigh. We have just repaired our page on Shimano 8-speed internal-gear hubs.

Shimano Alfine 8-speed hub

Shimano Alfine 8-speed hub

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Done with updating the Cyclecomputer/GPS Database…for now

A bicycle computer

A bicycle computer

We’re done updating the cyclecomputer and GPS database — this is the Internet’s most complete listing — except that it never is complete, as new models appear and old manuals are unearthed. Please feel free to send in information!

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Cyclecomputer and GPS database update

A bicycle computer

A bicycle computer

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 there are the new models…many of them. We thought that cyclecomputers were passé, what with the advent of GPS, but this is still a strong product category. We found a number of new brand names as well.

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Upgrading to index shifting

We have a major update to our page on upgrading older bicycles to index shifting. This can be done at a lower cost than you may expect, because there is usually no need to replace the rear wheel! Shifter choices, parts compatibility issues.

Shimano RapidFire shifter

Shimano RapidFire shifter

 

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Securing your bicycle against theft

We have made major additions and updates to our article on locking and securing your bicycle against theft

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360 Degree Video

Garmin VIRB 360 camera

Garmin VIRB 360 camera

New article about 360 degree video and the Garmin VIRB 360 camera — an action camera which shoots video in every direction at once. How to use this camera on a bicycle, describing where to mount it, its features and its limitations, with example video and still images. This camera is the first 360-degree camera to produce high-quality results at a price which is acceptable to many ordinary cyclists. It has some unusual features coming from the Garmin heritage as a GPS manufacturer, including the ability to keep the horizon level regardless of the orientation or motion of the camera. It also has some important limitations.

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