biking doesnt get rid of the beer gut. plus, 3-4 biking mile is equivalent to 1 running mile. biking is fun, but not friendly to the baaaaaaaaaallls.3 miles is nothing.
I ride 20 km's on my exercise bike a day(20km=12 miles) boo ya..I have last 5 pounds in 2 days..10 more pounds to go.