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Tag Archives: sheldonbrown.com
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
Comments Off on Skid patch counts
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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Kryptonite history
Just posted — an article on the invention and early history of the Kryptonite bicycle lock — including numerous illustrations, and interviews with Stan Kaplan, the inventor, and Michael Zane, who commercialized the product.
Posted in New pages
Tagged bicycle, Kaplan, Kryptonite, lock, Michael Zane, patent, security, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com, Stan Kaplan, theft, U-lock, Zane
1 Comment
ShelBroCo Dent Removal System
A prized, classic steel bicycle frame with butted tubing (thick-walled at the ends for strength, thin-walled in the middle for light weight) is easily dented, but ShelBroCo has a fix — it’s quick, effective and easy to use! http://sheldonbrown.com/dent-removal.html
Posted in New pages
Tagged bicycle, dent, dent removal, humor, repair, shelbroco, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com
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Leather saddle update
Major additions to our page on leather saddles — descriptions and photos of different Brooks saddle models, comments on other brands, lots more advice on adjustments and leather care.
Posted in Updates
Tagged 17, b66, b72, beeswax, berthoud, bicycle, Brooks, copper, foot, gilles, Idéale, leather, Lepper, Lexol, neat, oil, Pro, professional b17, Proofide, Rivet, saddle, saddle soap, saddles, seat, selle anatomica, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com, Swallow, Swift, team, tension, Velo Orange
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8-speed Shimano hubs — update
We have updated our page on Shimano 8-speed hubs. Shimano changed a number of links and posted some new information.
Posted in Updates
Tagged 8-speed, Alfine, gearing, gears, internal, internal-gear, Nexus, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com, shimano
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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
Comments Off on How the i-Motion 9 hub works
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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Biopace chainrings
We like Shimano Biopace non-round chainrings, and they are reliably available on eBay. We have expanded our article on how to choose and use them.
Posted in Updates
Tagged bicycle, BioPace, cadence, chain, chainrings, chainwheels, non-round, oval, pedaling, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com, shimano
2 Comments
