Thanks for that. I'd seen reference to that in books but you get a much better look when it's done in a video like that.
There is a grey blur, and a green blur. I try to stay on the grey one. - Joey Dunlop
The two weirdest things I have seen in that space are
1) late 70's Bimotas with negative offset - the fork centres are BEHIND the stem (see photo)
2) Kenny Roberts about 81/82 had some yokes machined up (on purpose) for one of his 500's where the forks were not parallel to the stem!
Understanding stuff like this can make a massive difefrence when you are mixing and matching, or changing wheel size. Ie 18 to 17 on older bikes etc.
Bikes with 18's usually run a lot more offset (circa 50mm) while 17's are more 30-40 (or less). So when you have an 18 inch bike and you got to 17's the trail dramatically reduces (it becomes twitchy) and the best way to recover it flatter offset.
Also, the total offset will be impacted by position of the axle relative to the centreline of the fork leg....
One of the big HD's have run those 'reverse' ones for years.
No doubt Eric Buell runs something odd bawahhahaha
I have a set of attack off sets on order currently through a friend over there. they are awesome quality
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