Turn your bike into a parent/child tandem with Burley's Piccolo. It attaches easily to your bicycle via Burley's Moose Rack attachment system (included). You install the rack and the Piccolo installs quickly and easily to it. Plus, the secure attachment features a ball-bearing hitch that always pulls smooth and straight because it remains perpendicular to the ground. And, for easy pedaling and complete comfort, the Piccolo boasts a rugged chromoly frame, a light 20-inch aluminum wheel and a 7-speed Shimano drivetrain.