If riding a bicycle competitively or for shows, then they'd be called pro rider, or perhaps pro cyclists. But then there are the people who work /with through their bikes, like bike messengers/couriers, mailmen, police officers on bike patrols etc.
The person who is riding a bicycle is a cyclist.
The noun 'cyclist' is a singular, common, concrete noun, a word for someone who rides a bicycle; a word for a person.
Cyclist
I don’t know
They worked as bicycle salesmen.
Cyclist means that he or she is a person who rides a bicycle.
A bicyclist is a person who rides a bicycle.
Buy a bike, get some rides in, contact a club. Participate in club rides, sign up for races.
Jockeys or stable Hans show jumpersor grooms
To prepare your bicycle for long rides, follow these tips: Check tire pressure and condition Inspect brakes and gears Lubricate the chain Adjust saddle height and handlebar position Pack essential tools and supplies Wear appropriate clothing and safety gear Plan your route and inform someone of your itinerary.
"Cyclist" is a noun. It refers to a person who rides a bicycle.
kinetic