Major upgrade to our page on repair of leather saddles – Complete do-it-yourself information.

What's new at sheldonbrown.com
Major upgrade to our page on repair of leather saddles – Complete do-it-yourself information.


Boost your energy for early-season training with ShelBroCo Power Powder.
Well, OK, if you are down under, it works for late-season training too.
Just pour ShelBroCo Power Powder into your water bottle, add water, shake, then go!
We have special prices for Sunday of Easter and Passover. Hurry, don’t miss this special holiday offer!
Don’t delay. Supplies are limited!

Harriet has neatly reformatted Sheldon’s bicycle page. Read all about ’em. I find the page about his Greenspeed recumbent especially interesting. Who but Sheldon would be extolling the advantages of a low-rider tadpole recumbent tricycle for off-road riding?

Our gear calculator is now updated to cover the newest cassettes from Shimano, SRAM and SunRace. — Still to update: the French- and German-language versions.
Melanie Morris from Somerville (Massachusetts, USA) Community Television will interview Harriet Fell and John Allen about Sheldon Brown — and it will be available over the Internet. Go to https://www.somervillemedia.org at 7 PM EST Monday February 5 (00:00 Tuesday February 6, UTC). The show will be rebroadcast at 9:30 PM EST Tuesday February 6 (02:30 February 7, UTC) and will later be archived for on-demand viewing.
For the 10th anniversary of Sheldon’s death, we are posting video of his mamorial service. You may it view it here or click to view it on YouTube.
Now, a video to go with Harriet Fell’s article recently published on sheldonbrown.com: her presentation on the MIT aluminum bicycle frame project at the 2016 International Cycle History Conference.


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!


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.
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.
