Triumph Motorcycle News Mecum motorcycle auction draws 5,000 from all over the world June 2, 2018 Christopher Bradley Leave a comment Stormy Stormoen of Las Vegas check out choppers during the Mecum Las Vegas Motorcycle Auction at the South Point Friday, June 1, 2018. K.M. Cannon Las Vegas Review-Journal @KMCannonPhoto Stephen Cortesy of Costa Mesa, Calif.