ByK E-350 Kid's Bike, 18 inch Wheels, 8.5 inch Frame, for Boys and Girls, Four Colors Available Frame/Fork: Lightweight Alloy frame with a low gravity concept design Wheels/Tires: Dynamic Advantage Tall Alloy Wheels with radial front spokes and low profile, low resistance tires with tough tubes Drivetrain: 3 piece alloy crank, single speed, chain guard and KMC chain Brake/Cockpit: Short reach alloy brake levers, rear coaster brake and alloy v-brake and front alloy caliper brake with comfort saddle and alloy V-bars Includes: Stem pad, bell, quick release seat post and training wheels