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Tag Archives: gears
Sachs Elan/SRAM E12 Internals
John has posted a new article about the mechanism of the Sachs Elan/SRAM E12 12-speed internal-gear hub; the largest, heaviest, most complicated internal-gear hub ever marketed — flawed execution of a brilliant design concept. The unusual way this hub establishes … Continue reading
Posted in Updates
Tagged 12-speed, bicycle, Elan, gearing, gears, hub, internal, internal-gear, maintenance, repair, shelbroco, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com, SRAM
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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.
Posted in New pages
Tagged 8-speed, bicycle, gearing, gears, hub, hybrid gearing, internal, internal-gear, Orbit, Sachs, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com, shifter, SRAM
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Internal gear theory
John has posted his article on internal-gear hub theory, history and some practical advice. This article describes the internal workings of all the newest hubs including those with compound and multi-stage gearing.
Posted in Updates
Tagged compound, gearing, gears, hub, internal, internal-gear, multi-stage, Nexus, planetary, repair, Sachs, shimano, SRAM, Sturmey-Archer
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Page updates
John has updated chains.html, with some added thoughts about chain cleaning, and more pictures; also leather.html, with a couple of comments from readers about leather treatments; k7.html and k8.shtml to reflect changes in product availability.
Posted in Updates
Tagged 7-speed, 8-speed, Alfine, bicycle, chain, gearing, gears, leather, maintenance, saddle, shelbroco, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com
Comments Off on Page updates
John Allen’s updates to the site 12/2010-3/2011
March 13-22-25 headsets.html – major updates including instructions on adjustment of threaded headsets; added exploded diagrams; resized photos and added a photo of a “brinelled” bearing race. More to come — photos of disassembly/reassembly. March 12 velos.html — added comments … Continue reading
Posted in Updates
Tagged articles, axle, bicycle, bowden cable, brake, cable, chain, chains, gears, hub, internal-gear, planetary, repair, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com, shifter, shimano, Sturmey-Archer, tandem, tandems
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