The Spark Ultra features our brightest LED wheels EVER, highlighting the action with their intense white light. Step on the Spark Bar to leave a trail of sparks in your wake. Replacement spark cartridges are sold separately. Easy-folding mechanism with folding handlebars and down tube for easy on-the-go storage and carry. Additional features include our rear-fender brake and an aluminum t-tube and deck. Specifications Spark Bar: Includes replaceable spark cartridge (additional replacement sold separately) T-Tube: Aluminum Handlebars: Adjustable height, folding Grips: Foam Deck: Aluminum with full deck grip tape Wheels: Utra-bright LED, urethane Brake: Rear-fender Age: 8+ Age Group: Child, Tween, Teen Max Rider Weight: 143 lb (65 kg) Gender: Unisex No Assembly Required Product Dimensions: 25.5" x 11.5" x 32.75" (648 mm x 292 mm x 832 mm) Weight: 5.5 lb (2.5 kg)