With the R-net electronic system and ICS (intelligent Control System), all of its functions are programmable and linked to simple press-button controls. The unique seat can take you from an up-right position at 26 inches down to the floor level in a few seconds. With rear-wheel drive and an full (all-wheel) suspension system, it is simply fun to drive. The K450 is for users weighing up to 125 lbs, and the seat can be adjusted from 10-16 inches, perfect for growing children.