Originally Posted by Mike Rainbird
Originally Posted by Paul Ripley
Did you enter 2002mm as the circumference?
Different makes have slightly different circumferences, and also how new they are makes quite a difference as well (as much as 1-2%). So a bit of a stupid question, as it would depnd on type of tyre and how many mm of tread it had left
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Different makes (same size) have differing circumferences?! How do you work that one out? Anyhow don't you just multiply the height by 3.142 to get the figure?