Old 01-02-16, 04:30 PM
  #3  
Doge
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^^+1.
It is trail (look it up - but I'll try) which comes from the distance from where the axis of the head tube would hit the pavement and where the tire does.
Two different bike with the same trail and different head tube angles will behave differently as when the fork turns the bike actually drops - differently based on head tube angle.
Also the wheel base has a wee bit to do with it, as do the length of the chain stays. These affect how the rear tires follow the front.
What you want depends a whole lot on how you ride.

Think about riding your bike through a puddle as a kid (or now). Both the front and rear tires make a wave. The difference between the front and rear patterns are all affected by the above.

To some degree tire width as this affect the patch on the road.

To add a bit more...these days with carbon bike tooling you get what you get per brand model etc. I think the advantages outweigh the disadvantages, but that is something lost from the days of custom lugged frames.
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