My father is offering to buy me a bike. This is because I've been borrowing his bike, and he wants it back now. I don't know much about bikes, the only research I've done was to single out good bikes from bad bikes because I was looking on Craig's list. Now that there are more options, I don't know what sort of bike to look for. Right now, I ride on pavement and gravel roads. I could change my route to avoid gravel. A typical ride is an hour to an hour and a half, although I go for up to three hours in a day. I might go for longer in the future, I don't know how much this matters for selecting a bike. It's wet often where I live, so I think I should get a bike with disc brakes. My father's bike has 105s, I've had issues with some worse group sets in the past. Do you think 105 or better is a good place to draw the line? For handlebars, I've only ridden on the flat ones and on drop bars, I prefer drop bars, but I don't know if there is a better design I haven't tried. Oh, another thing is that some people go onions for clipless pedals, do you think I should as well? I've read that they don't do anything really so long as you don't struggle with keeping your feel on the pedals, but if this is a controversial topic, we can ignore it for now. Another thing I guess is brands, I've heard that the big ones Giant, Trek, Specialized are all fine, there are also those other brands like Cannondale and Bianchi and shit that are fine as well, I head that they buy their designs from the big three? Is that true? Oh, and I guess there's material? The bike I've been riding is carbon fiber, but I've read that it can break more easily, and that's kind of scary. How important is that?