I m going to be going to a few thrift stores to find an old used mountain bike. i am trying to keep the price under 100$. If anything needs work i can do it myself, so there is no need to worry about shop work costs. I was wondering what brands to look for in this range, what to look for, and what parts that need replacing would make the bike not worth buying. I can do any necessary geartrain and brake work and replacement, and with my bike manual i can fix anything if i have the right tools. i do not need front suspension as that would drive up the cost, and i will not buy rear suspension, because my current bike is a 41 lbs, 21 speed magna excitor with dual suspension, and any bike in my range with rear suspension is crap. I plan to use it on rougher country roads, dirt roads, and some xc and singletrack possibly. I want a mountain bike for road use because i ride in the winter sometimes. i have a pair of studded tires that cost more than my current bike i use them on lol. i can keep a bike in good shape when being ridden in slushy weather because heck, i rode a crap bike daily in the winter and it survived without damage. My current bike is too heavy, the rear suspension saps power, and when using my smallest freewheel cog the chain skips, and the bike is not worth the repair cost. some advice would be appreciated.