There is https://getden.co.uk/ which are nice smart switches, that importantly change the physical state when you use them via smart controls.
@Sam_w started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
There is https://getden.co.uk/ which are nice smart switches, that importantly change the physical state when you use them via smart controls.