WAHLWEISE PASSIVER ODER AKTIVER FAHRRADHEIMTRAINER.

摘要

This invention relates to an exercise bike. Briefly, an exercise bike in accordance with the present invention comprises a frame, a first chair, a frictional flywheel, a dynamoter coupled by a pedal driving unit for producing electric power and serving as a driving source, a manually operabie reaction training device, an auxiliary chair and a massage unit.