Take the bike to a local bike shop and have them evaluate your fit and position while sitting and spinning the pedals. If you've no experience at determining what good fit is, a pro should be consulted. Money well spent. And yes, they can adjust the reach by swapping out stems. They come in assorted lengths as Broctoon stated as well as angles. Note though that you can only adjust so far, sometimes you find out the bike is too big or small.