Я не в курсе но вроде на механика какие-то курсы нужны? Вот в Канаде In Canada, to become a mechanic, you generally have to complete a registered apprenticeship that combines paid hands-on work experience with classroom training at a vocational school. Typically, it takes about four years to learn to be a mechanic.
Re: не открыть ли велосипедную мастерскую
Вот в Канаде
In Canada, to become a mechanic, you generally have to complete a registered apprenticeship that combines paid hands-on work experience with classroom training at a vocational school. Typically, it takes about four years to learn to be a mechanic.
И нашёл вот такое (судя по всему это штаты)
https://www.bicyclecertification.org/
Вопчем "всё по взрослому" у ребят.
ЗЫ И как это мы ремонтировали велики без лицензий ума не приложу.