When did professional cyclists begin wearing helmets, and how long did it take from there for it to become mandatory in races? - Quora
![The big bike helmet debate: 'You don't make it safe by forcing cyclists to dress for urban warfare' | Cycling | The Guardian The big bike helmet debate: 'You don't make it safe by forcing cyclists to dress for urban warfare' | Cycling | The Guardian](https://i.guim.co.uk/img/media/63ddd858f845f3675c6eda215e74a5bd38e655b8/0_41_3800_2280/master/3800.jpg?width=465&dpr=1&s=none)
The big bike helmet debate: 'You don't make it safe by forcing cyclists to dress for urban warfare' | Cycling | The Guardian
![The big bike helmet debate: 'You don't make it safe by forcing cyclists to dress for urban warfare' | Cycling | The Guardian The big bike helmet debate: 'You don't make it safe by forcing cyclists to dress for urban warfare' | Cycling | The Guardian](https://i.guim.co.uk/img/media/7e7db093b29fc10c95ebfee36ee7ea224f85657b/0_0_4511_3007/master/4511.jpg?width=700&quality=85&auto=format&fit=max&s=12e81ecd975d2c8c9c5c0e1e1c61d5a4)