Everyone,

I am quite new to mountain biking, but I would like to get into the sport. I found a deal on a Diamondback COil 04 model w/ $500 in Upgrade going for $380. Is also features a speedometer. Before I considered a XSL Comp. My question is am i getting a good deal? I have no idea what this bike retails for but it has been ridden about 5 times. It hasn't seen any jumps or water.

Will this be a great bike for me?
What should I look for.
What questions should I ask?
Can I change the gearing to 21spd?

Discombobulated