The American Legion Riders
Membership Requirements

The membership requirements for the American Legion Riders are very straightforward. To become a member, you must...

...be a current member of the American Legion, American Legion Auxiliary or Sons of the American Legion.
...own a motorcycle (at least 350cc) or be the spouse of an owner who is an American Legion Riders member.

Their link is  http://www.americanlegionriders.net/