Just make these mandatory.
No-one wets the bed about chainrings, which are equally dangerous.
Discs increase the circular saw factor from 1 to 3
Shaft drive and drum brakes it is then.
Also cushions on all the metal areas.
@jaygee 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.
Just make these mandatory.
No-one wets the bed about chainrings, which are equally dangerous.