The gym gear sport indoor cycle is powered by a super smooth belt driven transmission and just like all the gym gear products its solidly built and is a great value for the money with its reinforced and oversized frame this product will be able to maintain its self and there shouldn t be any problems with it being overused this piece of equipment would be ideal for any sort of commercial or home use key features of the gym gear sport indoor cycle flywheel 20kgs crankaxle crankaxle steel