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Tag Archives: internal-gear
Article about Rohloff hub
We have spiffed up an article about the Rohloff 14-speed internal-gear hub which had been lurking on the Harris Cyclery part of the site and placed it with the other informational articles.
Posted in Updates
Tagged 14-speed, axle, bicycle, bowden cable, chain, hub, internal, internal-gear, maintenance, planetary, Rohloff, shelbroco, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com, Speedhub
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About torque
John has written a new article about torque, as it applies to threaded parts, braking and drivetrains.
Posted in New pages
Tagged axle, bicycle, bottom bracket, crank, gears, hub, internal, internal-gear, planetary, ratio, shelbroco, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com, torque, twist
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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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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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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
12 Comments
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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Shimano Internal-Gear Hubs
John has made major updates to the pages on Shimano Nexus and Alfine internal-gear hubs — 3-speed, 7-speed and 8-speed; also a page with general mechanical information.
Posted in Updates
Tagged 11-speed, 3-speed, 4-speed, 7-speed, 8-speed, Alfine, anti-rotation, antirotation, cassette jopint, hub, internal, internal-gear, maintenance, Nexus, repair, shimano
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Assembly of Shimano 7-speed Hub Axle Unit
Shimano’s service instructions for the Nexus 7-speed internal-gear hub assume that you will replace the entire axle unit. Taking disassembly past the point where instructions are available is all too easy. You might also want to cannibalize parts to assemble … Continue reading
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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