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Tag Archives: gearing
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.
Posted in New pages, Updates
Tagged aerodynamics, bicycle, climb, climbing, gearing, hills, Isvan, Osman, Osman Isvan, propulsion, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com, wind
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Shimano Nexus 4-speed
John has put together a new article about the Shimano Nexus 4-speed internal-gear hub, with links to a parts list and servicing information. This hub has been discontinued, but in case you want to keep one going…
Posted in Updates
Tagged 4-speed, coaster brake, gearing, hub, internal, internal-gear, Nexus, planetary, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com, shimano
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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.
Posted in New pages
Tagged 5-speed, bicycle, Forester, gearing, gears, internal, John Forester, maintenance, planetary, S5, shelbroco, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com, shifter, Sturmey-Archer
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Sturmey-Archer anti-rotation washers
Major addition to our article with general technical information about Sturmey-Archer internal-gear hubs — the different types of anti-rotation washers. It matters which ones you use!
Posted in Updates
Tagged 4-speed, 7-speed, 8-speed, andirotation, anti-rotation, axle, bicycle, gearing, gears, hub, internal, internal-gear, maintenance, shelbroco, Sheldon, Sheldon Brown, sheldonbrown.com, Sturmey-Archer, torque, twist, washer
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Updates to Sturmey-Archer 4, 5 and 7-speed hub page
Major updates to the page on Sturmey-Archer 4, 5 and 7-speed hubs, mostly concerning the hubs sold from 1991 through 2009.
Posted in Updates
Tagged 4-speed, 5-speed, 5-Star, 7-speed, AF, AT7, bicycle, FC, FG, FW, gearing, gears, internal, maintenance, planetary, RX-RF5, S-RF5(W), S5, shelbroco, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com, shifter, Sprinter, Sturmey-Archer, Summit
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More troubleshooting advice on Sachs/SRAM internal-gear hubs
There’s more troubleshooting advice now in our article about Sachs/SRAM internal-gear hubs: how to test whether a problem is inside the hub, or only in the shifter and cable — for hubs with 3, 5 or 7 speeds, with pullchain(s) … Continue reading
Posted in Updates
Tagged 3 x 7, 3x7, 5-speed, 7-speed, 9-speed, bicycle, coaster brake, DualDrive, Elan, g8, G9, gearing, gears, hub, i-motion 3, i-Motion 9, internal, internal-gear, maintenance, p5, Pentasport, planetary, s7, shelbroco, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com, shifter, Sparc, Spectro 7, SRAM, Super 7, T3
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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 … Continue reading
Another in Italian
Salvatore Celi has also translated Sheldon’s article on Shimano Dura-Ace components into Italian, http://avvsavv.blogspot.it/2013/07/sheldon-brown-shimano-dura-ace.html
Posted in Updates
Tagged bicycle, bottom bracket, derailer, Dura Ace, gearing, hub, Italian, italiano, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com, shimano
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Chains
Major update to our article on chain maintenance — bicycle chain was developed in the U.K. and is dimensioned in inches. Most of the world including the U.K. has gone over to the metric system. How do you tell whether … Continue reading
Posted in Updates
Tagged bicycle, chain, derailer, gearing, gears, lubrication, maintenance, oil, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com, wax
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Upgrading old road bikes
I’ve filled out and Harriet has formatted Sheldon’s page about upgrading old road bikes, which Sheldon left as a work in progress.
Posted in Updates
Tagged bicycle, bottom bracket, cassette, chain, cranks, crankset, derailer, derailleur, frame spacing, gearing, gears, hub, internal, internal-gear, maintenance, repair, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com, upgrading
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