A prized, classic steel bicycle frame with butted tubing (thick-walled at the ends for strength, thin-walled in the middle for light weight) is easily dented, but ShelBroCo has a fix — it’s quick, effective and easy to use! http://sheldonbrown.com/dent-removal.html
Category: New pages
New article and paper by Osman Isvan
New article by Osman Isvan introducing and summarizing his series of technical papers about bicycling propulsion, wind, hills and measurement techniques. And a new paper about measurement, too.
SRAM i-Motion 9 internal-gear hub
New article about the SRAM i-Motion 9 internal-gear hub — the only public source of information on how to rebuild this hub, and with links to installation information and (hard to find!) parts lists from SRAM.
About torque
John has written a new article about torque, as it applies to threaded parts, braking and drivetrains.
Five-Speed Hub Gears
Article about 4- and 5-speed Sturmey-Archer hubs kindly shared by John Forester and now on sheldonbrown.com. This dips into the history of the hubs and suggests several useful modifications also applicable to other hubs.
Riparazione su strada
Just rolls off the tongue in Italian, doesn’t it? Salvatore Celi has translated our on-road repair article.
On-road Wheel Repairs
John has written an article that just might get you rolling again.
Sheldon’s Articles for Adventure Cycling
From 1999 through 2007, Sheldon wrote the column “Mechanical Advantage” for Adventure Cycling, the magazine of the Adventure Cycling Association. He covered a wide range of mechanical topics, oriented toward the needs of the bicycle tourists with the Adventure Cycling Association serves. All of these articles are online, and we now have a convenient table of contents for them on our site.
Product announcement
ShelBroCo is proud to announce ShelBroCo Sonics!
More about Sachs/SRAM hubs
John has prepared a new page about the Sachs Orbit hybrid-gear hub and added information about this hub to internal-gears.html and sachs-internal.html; also links to Karsten Stielow’s very interesting Web pages about Sachs and SRAM hubs.
