I know a bit but have yet to fully get my head around trail...
On a bicycle, fit is important but steering geometry is all but irrelevant. People writing road tests for magazines talk about it with an air of spurious authority, but in point of fact nobody can tell the difference across quite a wide range in blind tests.
On a bicycle, fit is important but steering geometry is all but irrelevant. People writing road tests for magazines talk about it with an air of spurious authority, but in point of fact nobody can tell the difference across quite a wide range in blind tests.
The [ame=http://en.wikipedia.org/wiki/Bicycle_and_motorcycle_geometry]Wikipedia[/ame] article is a reasonable introduction, and most of the more advanced topics in steering of single track vehicles are really only relevant to motorcycles.