Bianchi Pista: Stiff as fuck, how do I make it softer?

im finding my pista a pain have a b17 now so i can walk straight , fitted a freewheel but it feels wierd its coming off and back to fixed tomoro , i need a stem or aybe riser bars are the answer

the original saddle is quite sore isn't it? going back to freewheel made the bike felt a lots looser, does that make sense?

if you got any old handlebar lying around, swap those around, see how comfortable it is, before buying one thought, riser tend to be a hit or miss.

mind you it's idea to change the original drop bar since it's pretty much a heavy track bar, not exactly comfortable on road.