Kids can ride in style with the BCA 20" Genesis Rock Blaster Boys' Fat Tire Mountain Bike. The tuned travel front shock absorbs the bumps, and the sturdy steel frame keeps the bike tracking straight. Shifting is handled by industry leader Shimano with the seven-speed drivetrain featuring twist shifters for easy gear changing. This boy's mountain bike includes huge monster truck 3" knobby tires for ultimate traction and the front and rear linear pull brakes keep speed in check and ensure safe and secure stopping. The supple padded seat is easily adjusted with no tools thanks to a quick-release lever clamp. With the Rock Blaster Genesis mountain bike, the fun doesn't stop when the street ends.