MOOSE OFFROAD TRAINING WHEELS PW50 - 9501-0181Provide a more stable ride until understanding of the fundamentals is reached Teach the basics of braking, throttle control, and steering Adjustable and adaptable for rider's skill level and terrain 8" pneumatic, rubber, 4 ply wheels with grease fittings Sealed bearings and hardened fasteners Include step by step instructions Easily mounts to footpegs frame Solid steel axle Failure to use this apparatus correctly can result in serious injury or death.