Burley Kazoo Single Speed Trailercycle Kids Trail-A-Bike / Includes Rack / Blue. Recommended for children 4 to 10 years old and up to 85 lbs. Includes Burley's Moose rack to attach the trailer cycle to the bike.Adjustable handlebar and seat post. Includes safety flag and both wheel and rear reflectors. This listing is currently undergoing maintenance, we apologise for any inconvenience caused.