i want to design a frame with road geometry. does anyone have specific information as to how geometry is factored (beyond the assumed)? i've looked around the web a bit, & it seems like most frame builders work off of standards that they tweak a little here an there. i'm curious, because otherwise the process seems very abstract. lower bottom bracket, more fork rake, longer stays, looser seat & head tube angles... but how do i figure out how much (given my inseam & size).
thanks