The ones without the pivoting front wheel are for jogging basic strait lines with minimal turns, the ones with a pivoting from wheel are good for uneven terrain with turns. I have one that does not pivot, its been with me 7 years, through two kids with a walking --rollerblading habit of roughly 200 days out of every year(maybe more), Yes it takes awhile to get used to, you have to tip it and turn it, but soon it will be little to no effort. You will get used to it. From what ive read the pivoting wheels one turn and lock at high speeds and are dangerous.