LOS ANGELES--(BUSINESS WIRE)--Folding bike company Durban Bikes recently announced distribution with retail giants Target and Sports Authority. Folding bikes is one of the fastest-growing segments in the $6 billion U.S. bike market. “The demand for folding bikes is growing rapidly, and we’ve received immediate and enthusiastic interest in our product lineup,” said David White, managing director of Durban Bikes. “Retailers recognize the bikes are extremely well-made, well-designed and competitiv