Biking And Weight Loss

How long and how fast should I run / bike to maximize weight loss and increased lean muscle?
to burn fat and start winning muslce eat healthy and not eat ANY junk food, exercising regularly, like going to the gym and lift weights or something to get the muslce, and go to www.maxgxlgeo.com have two products, one is WLX and GXL is another one helped me lose 30 pounds and another gave me more energy and did more reps when I exercised, I'm 16 by the way and helped me shed a lot of fat and look good for the beach lol =] hope this helps
My 14 week carb cycling weight loss progression.