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Tag Archives: sheldonbrown
SRAM G9 Hub
Our article about the SRAM G8 hub now also covers the new G9 9-speed.
Posted in Updates
Tagged 8-speed, 9-speed, bicycle, g8, G9, gearing, gears, hub, internal, internal-gear, planetary, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com, shifter, SRAM
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Threescore and ten…
Sheldon would have been 70 years old on July 14, 2014.
Posted in Updates
Tagged Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com
Comments Off on Threescore and ten…
Seatpost size database update
Additions to the seatpost size database to include all the sizes which people have reported. Feel free to report more.
Posted in Updates
Tagged bicycle, diameter, measure, millimeters, mm, seatpost, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com, size
4 Comments
If the chain falls off or jams
New article on how to prevent chain incidents and how to recover from them. Did you know that you can re-engage a dropped chain without getting your hands dirty?
Posted in Updates
Tagged bicycle, chain, chain suck, chainwheel, derail, jam, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com
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Bottom bracket information revised
We’ve added David Richardson’s photo of damage to a Shimano Octalink V1 crank from installing it on a V2 spindle to the bottom-bracket database. Also, we’ve coordinated bottom-bracket threading standards tables in the several files where they appear.
Posted in Updates
Tagged bicycle, bottom bracket, cartridge, cup and cone, Isis, Octalink, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com, shimano, square taper
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Jobst Brandt pages updated
Harriet has reorganized the Jobst Brandt pages — formatting for easier reading, placing them into categories and in sequence, fixed broken links. Brandt’s trenchant comments demolish a number of bicycling myths, and bring an engineering perspective to issues of mechanical … Continue reading
Posted in Updates
Tagged bicycle, myths, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com, spoking, thorns, tire, tubular, tyre, wheel, wheelbuilding
2 Comments
Home-brew hybrid gearing
Additions to the article on internal-gear hubs — more about how to construct a multi-speed hybrid-gearing system using a stock 3-speed hub and two sprockets and/or two chainwheels. It indexes even without index shifters! Photo courtesy of Mark Stonich.
Posted in Updates
Tagged Alfine, bicycle, gearing, gears, hub, hybrid, hybrid gearing, internal, Nexus, planetary, Sachs, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com, Sturmey-Archer
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Skid patch counts
Correction to formula and additional info including a calculation spreadsheet for the number of skid patches on the rear tire from skip-stop braking on a fixed-gear bicycle.
Posted in Updates
Tagged bicycle, brake, fixed gear, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com, skid patch, tires, tyres
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SRAM G8 Hub
New article about the SRAM G8 8-speed internal hub gear — all you need to know to install this hub: specifications, gear ratios, parts compatibility and availability, how the mechanism works. As far as we know, this is the one … Continue reading
Posted in Updates
Tagged 8-speed, bicycle, g8, gearing, gears, hub, internal, internal-gear, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com, shifter, SRAM
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Unthreaded bottom bracket dimensions
New cribsheet page with dimensions of unthreaded bottom brackets, and compatibility information.
Posted in Updates
Tagged Ashtabula, axle, BB30, BB90, bicycle, bottom bracket, cartridge, diameter, eccentric, FSA, Klein, Merlin, millimeters, mm, PF30, Race Face, Raceface, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com, shimano, Thomson, Thun, unthreaded, Velo Orange
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