The Burley Piccolo trailer bike offers the fun of pedaling along with the security of being guided by an adult on their own bike. Your kiddo can actually help, too: The trailer bike has 7 speeds! Lightweight and sturdy aluminum frame supports a child comfortably; hitch securely mounts to the included rear rack Hitch system features ball bearing-guided pivots to provide shimmy-free performance along with stable and secure inline handling Over-axle pivot attachment promotes stability and good tracking; double locking mechanism ensures a secure connection Kids can pedal along comfortably and easily, and even shift to meet changing terrain thanks to the 7-speed drivetrain and twist grip shifter Adjustable handlebar and seatpost make it easy to dial in the "just right" fit for your child Front splash guard helps protect rider from the occasional bits of mud or rain splashing up from the lead bike's rear wheel Safety flag and rear reflector are included to ehance visibility Recommended for children 4 - 10 years old; Piccolo has a weight capacity up to 85 lbs. with a recommended 2:1 weight ratio from adult to child