moschika

I don't know of any quick way to know how many calories you burn while riding. It all depends on your size, terrain, how long (time and distance) and how hard you were working. for example, there are two 25 miles loops I might take from home. one has a couple climbs, one of which is very steep and the other loop is pretty…

make sure you've got proper knee extension when pedaling. too little extension can lead to knee pain and eventually knee damage. your leg should be almost fully extended when your foot is at the bottom of the pedal stroke.

I'd go for the Trek. You get a little better parts spec, although they are both very comparable. If you can test ride both, I'd do that first. Fit is the most important thing when riding and is often overlooked by most people. The next important factor is color - seriously. If you don't like how your bike looks, you are…