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Tag Archives: diameter
Addition to bolt-circle coverage
Campagnolo has come up with another new chainring bolt pattern (why?) and we have added it to our coverage. It’s the most complete you’ll find anywhere. Print out the template that corresponds to the kind of bolt pattern of your … Continue reading
Posted in Updates
Tagged BCD, bicycle, bolt circle, bolt circle diameter, chainring, chainwheel, crank, crankset, diameter, stack bolts
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Extensive revision of chainwheel bolt-circle information
A few months ago, a reader prompted us to make some updates to our chainwheel bolt circle cribsheet. But now we have followed up on that effort, greatly expanding our coverage, and we have added a set of templates which … Continue reading
Posted in Updates
Tagged BCD, bicycle, bolt circle, bolt circle diameter, chainring, chainwheel, crank, crankset, diameter, stack bolts
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Update to Bolt Circle Diameter Cribsheet
We have reviewed the bolt circle diameter cribsheet, checked bolt-hole spacings using trigonometry and made some corrections. Apparently, the spacings were measured rather than calculated based on angles — and measurement is never exact! We have also added entries for … Continue reading
Posted in Updates
Tagged BCD, bicycle, bolt circle, bolt circle diameter, chainring, chainwheel, crank, crankset, diameter, stack bolts
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Spocalc spoke calculator and Web page updated
Update to Damon Rinard’s Spocalc Spoke calculator — new advice on fatbikes and hub motors, more spoke calculators for mobile devices added to the list at the bottom of the page, correction of a minor math error (display of bracing … Continue reading
Posted in Updates
Tagged bicycle, cross, diameter, flange, hub, lacing, length, radial, rim, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com, spoke, wheel, wheelbuilding
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Spocalc revised
The page for Damon Rinard’s spoke calculator has been revised, with an updated list of online spoke calculators, several comments and links, and better formatting. Now also includes links to spoke-calculator apps for iOS and Android smartphones!
Posted in Updates
Tagged bicycle, cross, diameter, flange, hub, lacing, length, radial, rim, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com, spoke, wheel, wheelbuilding
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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
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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