An original advertisement from a time long gone. No one wears their hair like that anymore.
Jettercycles are a land speed transport originally used by the old world presumably for passive activities such as moving a body from here to there.
For the working models recovered and maintained in the waste, they are screaming death machines bringing hit and run bandits in and out of a heated fight.
Having a jettercycle gives a certain degree of status to a kennel, and many formed their identity around having access to one or more.
Notable among them is No. 13.