Argonne National Laboratory:
Riders view the bikes
Argonne National Laboratory:
2001 Harley-Davidson Ultra Classic
Argonne National Laboratory:
BMW 1100RT
Argonne National Laboratory:
Motorcyles lined up
Argonne National Laboratory:
2008 Suzuki C109 RT
Argonne National Laboratory:
2005 Harley-Davidson Sportster XL1200
Argonne National Laboratory:
1977 Honda Goldwing with 'Gatling gun' exhaust
Argonne National Laboratory:
1973 460cc Honda