Nope, I was at the pre-registration event on Sat as well so there was at least one other Brit bike there! I saw two other Triumphs the day of the ride, one other 07 Speedmaster and one of the Triumph sportbikes, but definitely the vast majority of bikes were HDs. It was a great day for a ride, thousands of other bikes. My first time riding in the event and thankfully no mishaps.