Does your son like to skate fast? If you're looking for a speed skate for them, don't look any longer. The Nitroblade JR is the premium speed skateboard for young skaters who like to run and pass the limits of their skating. The thermomoldeable boot provides a custom fit, while micro-adjustable buckles ensure safe closure. Racers usually customize their own skates with specific guides and wheels. The Rival Guide of 11.25 "is an ideal choice for this skate. Since this guide can use a configuration of 4x90 or 3x110, the Hydrogen wheels will allow runners to achieve faster speed, more efficiency, greater maneuverability, less vibration and better balance.