Last four days Ive been btwn 500-650 cal. (you can check what exactly ive had here: www.xanga.com/smalltalk87) feel like ive burned much more. Im soo tired today, I musta biked for over 2 1/2 hrs. (no joke) Anyways, im not weighing in till end of april. How is better then a stationary one beuacse i feel like ive burned much yesturday all over town. I biked for over 2 1/2 hrs.