I think the '?' after the head and seat angles is to indicate that these angles may change depending what for/wheel/tyre you use.
The Scissor fork is quite short so that fork plus a 28 tyre would result in a steeper angle than a long fork with a 32 or 38 tyre.
I think the '?' after the head and seat angles is to indicate that these angles may change depending what for/wheel/tyre you use.
The Scissor fork is quite short so that fork plus a 28 tyre would result in a steeper angle than a long fork with a 32 or 38 tyre.