10/16/2024


SUMLON is a Chinese bike parts manufacturer. We manufacture bottom brackets, one-piece cranks, chainrings and bike headsets. 3 self-owned factories have been in operation for over 15 years in China. Now SUMLON, as a https://www.sumlon.com/bicycle-parts/ and a bicycle parts wholesaler, is providing you with several kinds of high-quality commonly used bicycle parts and we are expecting more.

SUMLON is a bike parts factory and one-stop bicycle parts wholesaler. We own 3 factories that has been in operation for more than 15 years.

www.sumlon.com