Originally Posted by
calstar
OK, what's the difference between two bikes with the same trail, one with a 70hta and one with a 74hta, the 70hta bike will "absorb" more vibrations/shocks? Or is there no difference(all else being=)? And thanks for the formula, nice to have, also makes me realize how much I've forgotten about trig.
Brian
Pretty much as you say.
For say 58mm of trail with 700C wheel;
A 74 Ht needs 38mm of rake
A 70 Ht needs 61mm of rake. So, yes a bit more cantilever.