Patent ID: 7163210

Claim:
A training wheel that is able to spin freely about an axle for use on a balanced vehicle, the training wheel comprising: a two piece wheel housing that rotates freely about said axle; an internal gear being freely rotatably mounted within the wheel housing and being fixed on said axle of the vehicle and, the internal gear having an internal annular rack; a planetary gear meshed to said annular rack; a gear plate secured to said planetary gear and secured between edges defined by said two piece wheel housing; a flywheel having a centered pinion, the flywheel being freely rotatably mounted on said axle and said pinion having an outer region meshed with the planetary gear; and a cam secured to one end of said axle; and a locking lever with an arm, the locking lever moveably secured to said vehicle such that when positioned in a locking position said arm engages said cam to prevent rotation of said axle and when said locking level is positioned in an unlocking position said arm is not engaged with said cam and said axle rotates with the rotation of said wheel.