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.
A motorcyclist.
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
Cyclist means that he or she is a person who rides a bicycle.
A bicyclist is a person who rides a bicycle. Bicyclists use their legs to pedal and move the bike forward. They are a common sight on roads, bike lanes, and trails.
It's called "You´re so cool " by Hans Zimmer
It's called riding double.
Buy a bike, get some rides in, contact a club. Participate in club rides, sign up for races.
kinetic
"Cyclist" is a noun. It refers to a person who rides a bicycle.