Their bikes are mainly 70's 250's, dressed up in a particular way. Apehangers, seats with backrests and often a fairing mounted at a crazy upwards angle. Metalflake paint is popular and they accessorise with airhorns, flags and occasionally a baseball bat.
Here's a KH - this is actually pretty subtle for them. I love it, but then I'm obsessed with Japanese culture anyway. You'll probably hate it. If you're not too shocked by that, have a look at what they usually get up to (click here)...
Bosozoku theme for the next club show stand ?

