>>1415461you could go to something like this, vo tourist
you could also get a more elegant stem like a nitto dirt drop
those are the nice versions but cheap ones exist too
are your shifters part of your brake levers, or seperate? converting to v-brake levers and v brakes would be a decent upgrade and make your life much easier setting up brakes and you probably want to recable anyway if you do new bars.
v brakes are a lot stronger
for one you could just decluter it like remove the speedo cable, reflector, horrible rack
get some nice nylon pinned flat pedals if you don't like those cage pedals
check the chain with a chain wear tool and do it, service the jockey wheels, and get a new cassette if it's stretched.
drop the chain off the inside of the crank and spin it. change it if it's rough. un55 bottom brackets are cheap and good.