Shimano patented a gearbox in the bike frame
Shimano patented a thirteen-speed gearbox in early 2019. Is it somehow interested for recumbent enthusiasts or is it something what doesn’t really make sense for our great bikes?
Shimano patented a thirteen-speed gearbox in early 2019. Is it somehow interested for recumbent enthusiasts or is it something what doesn’t really make sense for our great bikes?