Features: Designed for kids ages 2 to 5 and up to 48 lbs Kid-size rubber handlebar grips provide a secure and comfortable hold Custom-fit inserts accommodate 25.4, 31.8, and 35 mm flat or riser handlebars Hex key adjustment allows easy handlebar fitting and removal Seat bracket fits mountain bike frames of nearly any shape or size Adjustable bracket angle fits both flat and sloping top tubes Width adjusts to fit top tubes from 30-68 mm and down tubes from 30-100 mm Grippy foot pegs with straps keep feet secure and prevent riding interference Quick-release bracket system enables fast installation, adjustment, and removal Molded rubber frame protection prevents scratches and damage Included: Shotgun front-mounted seat Handlebar with kid-size rubber grips Mudguard 1-1/8 in. stem cap compatible with most mountain bikes