When every curb is a jump and every patch of dirt screams for a skid, the Tremor is there to keep smiles wide, even when temporary limits are found. Some of the best technologies from Giro's adult line, like In-Mold construction and their acclaimed Roc Loc Sport system, offer the versatility, comfort, and wide adjustability young riders need to ride confidently. And with plenty of fun colors to choose from, there's a perfect option to match the thrill of riding and the feeling of joy after that first ride or lap around the pumptrack. 50 - 55cm / 19.75 - 21.75 in.