I am currently riding a Giant Boulder entry level MTB with 1.5 slicks for fitness. I bought this bike for like $50 a few years ago and have put some miles on it.
Lately I have increased my riding and am up to about 80-100 miles per week and i'm looking into getting something else(probably used under 300). A typical ride is about 20 miles.
My riding style isn't all that great I tend to ride 50/50 sidewalks/road(I live in a populated area/dangerous).
I also come from bmx so I tend to hop some curbs from time to time(dodging traffic/idiots) but I am getting better.
I am a short and stocky guy(strong fullback build) but not in the best shape @ 5'6" and 195(trying to get to 170).
Should I look into buying a lighter more efficient MTB with slicks setup or try to change my habits completely and buy a entry level road bike?