According to one source, which inventor is credited with introducing *a* gear mechanism onto cycles around 1871?

Answer

James Starley

James Starley holds a claim for introducing a gear mechanism in 1871, which would have been integrated into the high-wheeled Ordinary design before the widely adopted chain-driven safety bicycle.

According to one source, which inventor is credited with introducing *a* gear mechanism onto cycles around 1871?
inventioninventorcyclegear