M masaki k New member Dec 1, 2009 #1 because when i jog, i get tired already after only jogging about 1.5km. but when on a bike i feel comfortable. PLS I NEED TO BUILD MY STAMINA.......
because when i jog, i get tired already after only jogging about 1.5km. but when on a bike i feel comfortable. PLS I NEED TO BUILD MY STAMINA.......
