Tykesbykes Fat Tire Kids Bike, 20" Wheel, Black High quality bike designed for children 7+ years old; kids can ride on snow, Sand, bogs, mud, pavement, or traditional mountain biking trails Front and rear disc brakes for greater stopping power; easy to reach brake levers designed for smaller hands Shimano Tourney 7 speed drivetrain for smooth gear shifting; 20" by 4" all terrain tires for fun riding Alloy frame, drilled rims and components to keep it light for kids; weighs less than 30 lbs; Boys, Girls: 8 to 11 Years, 5 to 7 Years All required tools and Instructions included; comes 85% assembled; high quality components ands paint job make this bike built to last