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An exercise bicycle is a stationary bicycle used as exercise equipment, not as transportation.

An exercise bicycle is usually a special-purpose exercise machine resembling a bicycle, but it is also possible to adapt an ordinary bicycle for stationary exercise, either by placing it on rollers or a trainer. Rollers and trainers are often used by racing cyclists during warm-up routines prior to racing events, or as a training option, perhaps when the weather is too bad to train outdoors.