Tag Archives: crank

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

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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

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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

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Additions to cranks page

John has added quite a bit of text to the cranks page; more about crank length, and an entirely new section on how to check for several kinds of damage; also several illustrations where there were none before.

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About torque

John has written a new article about torque, as it applies to threaded parts, braking and drivetrains.

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Bottom-bracket spindle tapers

Photos and text have been added giving examples of different tapers, and combinations of spindle and crank that are compatible, or not. It’s here.

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Major update to cotterless crank article

John has expanded and updated the article on cotterless cranks.

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