Almost all countries require certain fittings to be applied to bicycles before they’re sold. Since 2010 a fully built bike sold in the UK has required front and rear reflectors, wheel reflectors, and a good old-fashioned bell.
Requirements are similar in America, and in France working lights are mandatory – usually at the lowest possible cost.
According to the Bicycle Association, 1.88 million bikes were sold in 2022 in the UK. Theoretically, that’s