Bikers that ride kids bikes are called bmx riders. Most skaters are afraid of these people.
Cyclists that ride road bikes are simply a 'cyclist.'
Someone who wants to save money on gas.
Bikers who ride motor bikes are motobikers. There are two different categories in motobikers. Ones who wear tight leather, wear do rags, and have facial hair sometimes no hair on head. Or the ones who ride crotch rockets that have a noisy higher pitch tailpipe. Ladies usually ride on the back end of motorbikes.
A person who rides two wheels.
Ex 2: "Yeah, that truck to 180 out was stylin broo!"
Ex 3: "Lance Armstrong rides a bike really fast in Europe."
Ex 4: "I took my bike down to the store because gas prices are too high."
Ex 51: "That guy in black leather that just came into the bar; he's a biker."
Ex 52: "I head that GSX-R fly down the road, it looked like he was hittin' 90 in a 40!"
Ex 6: "Many people in this neighborhood like to ride bicycles."
B: What a biker !