For riders 50lbs - 100lbs. 'The Motostik is a must have!' Not just fun but used by top MX bikers such as Jeremy McGrath to build strength and stamina! Features hi-strength 6061-T6 alloy, QST- quiet spring technology, multi-stage rising rate spring, adjustable for skill level, hard anodized finish, forged alloy MX bars with MX style grips and cast alloy MX style foot pegs.