Provide a more stable ride until understanding of the fundamentals is reachedTeach the basics of braking, throttle control, and steeringAdjustable and adaptable for rider's skill level and terrain8'' pneumatic, rubber, 4-ply wheels with grease fittingsSealed bearings and hardened fastenersInclude step-by-step instructionsEasily mounts to footpegs/frameSolid steel axleFailure to use this apparatus correctly can result in serious injury or death. Only use Moose Racing training wheels for the intended training purpose. This is only a training aid.