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Tag Archives: SRAM
How the i-Motion 9 hub works
New section on how the SRAM i-Motion 9 hub works in the article about that hub.
Posted in Updates
Tagged 9-speed, bicycle, hub, i-Motion 9, internal-gear, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com, SRAM
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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.
Posted in New pages
Tagged 9-speed, bicycle, hub, i-Motion 9, internal-gear, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com, SRAM
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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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Expanded coaster-brake coverage
Coverage of coaster brakes on sheldonbrown.com has been greatly expanded, now including all the most common models, old and new.
Posted in Updates
Tagged antique, Bendix, bicycle, Centrix, classic, coaster brake, Hawthorne, J.C. Higgins, Karat, mattatuck, Morrow, Musselman, New Departure, Perry, Resilion, Sachs, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com, shimano, SRAM, Steyr, Sturmey-Archer, SunTour, Torpedo
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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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