For the price (which is often below $90), I guess there isn't much "wrong" with it. Like the majority of inexpensive Walmart bikes, the Thruster is a cheap, "throwaway" bike that isn't really meant to last forever. Kids get into fads and get over them pretty quickly. The Thruster's target buyer is the parent of a kid who sees the fixed gear fad, wants to be "cool", rides the bike five times and leaves it in the garage.