Triumph Motorcycle News Royal Enfield Bobber 834cc debuts as Concept KX – Design for future RE motorcycles November 6, 2018 Christopher Bradley Leave a comment At the 2018 EICMA show in Milan today, Royal Enfield revealed their biggest and most powerful motorcycle till date. Teased prior to the show, this Bobber styled new Royal Enfield is powered by a V-Twin 834 cc engine.