100mm Urethane wheels ABEC 5 carbon steel bearings Racing style grips Rear footbrake R Exclusive, only available at Toys R Us Canada. Ride like a pro on the Sport Runner Pro Scooter! This 100% aluminum scooter is built to withstand the demands of the most serious riders. 100mm Polyurethane cast wheels that feature built in suspension and premium ABEC 5 carbon steel bearings for a high performance ride. TPE handlebar with 360 handle rotation so you can do tricks like the pros!