????Recommended Size Chart - Fit for children ages 5-9 years,45-60 inches tall,up to 90lbs. Note: child height/weight may vary even at the same age, please take the height/weight into consideration. ????Multipurpose Bike - Come with highcarbon steel wheels,durable rubber tires with extra thickness and inflatable inner tube.Ride smooth and ride safely on the trail,driveway,stone road,dirt,etc. ????Special Design - Front and rear hand V-Brake provides ample stopping power to protect kids from danger.Long-lasting training wheels are of a Dripex-patented design with extra rubber to reduce noise. ????Built To Last - Features a sturdy steel frame, a one-piece crank, ball bearing drive shaft, a coverage chain guard. Full coverage chain guard is for protecting little hands, feet, and clothing. ????Easy To Assemble- Come 95% assembled, tools included and minor assemble is required.Assemble the wheels or kickstand, pedals, handlebar, basket and saddle.About 15-20 minutes is enough.