John Deere 16" Mud Machine BikeTackle the off road with the 16 John Deere Mud Machine MM single speed bicycle. Officially licensed by John Deere, this kids bike features ultra tough steel construction, pneumatic tires, and tons of other cool features! In addition to a durable steel construction, this bike also features adjustable (and removable) training wheels and a rear coaster brake. As your child grows the quick release seat clamp allows for an adjustable seat. With the front