A smaller triangle would be stiffer laterally (everything else being equal), but longer seatposts are more compliant. So in theory the smaller bike will be both stiffer and more comfortable.
I very much doubt you (or anyone else for that matter) would notice though.
A smaller triangle would be stiffer laterally (everything else being equal), but longer seatposts are more compliant. So in theory the smaller bike will be both stiffer and more comfortable.
I very much doubt you (or anyone else for that matter) would notice though.