Electric Bicycle Co., a California-based assembler and painter of custom e-bikes, filed for Chapter 7 bankruptcy liquidation last week, reporting total liabilities of $6.1 million, including secured claims of $960,000, and assets of $953,000. South African-born Sean Lupton-Smith, who founded EBC about 14 years ago following a career as a restaurateur, told BRAIN on Wednesday that U.S. tariffs on imported…