The Green Hornet is a custom Harley-Davidson Fat Bob put together in Lithuania by a crew that goes by the name Killer Custom.

Japanese custom shop Bad Land is responsible for making the Oki, an all-black 2017 Harley-Davidson Breakout custom build.

Photo: Francis Chung/Press Pool But if the European Union imposes a 50% retaliatory tariff on the company’s motorcycles in April, prices could reach astounding heights in Harley’s second ...