Sale and service of bicycles.
Cycling equipment:
-wheel, bicycles - mountain, cross, to the city, road, trekking
-scooter, unicycle
-bag, backpack, goggles, helmet, basket, bottle
-tools, stands, light, clothes, locks, fender
-nutrition and drink
-computers
-coats, inner tubes, galoshes, brakes
-sprung forks, handlebars, pedals, frames, ...