Just Like the Assault Bike, the Titan Enthusiast Bike makes use of a chain generate system, that's higher routine maintenance because you have to take care of it, the same as you would probably handle the chain on a highway bike. The Bowflex VeloCore changes that with its “leaning feature.” https://tribuff.com/1/a/How-to-Incorporate-Exercise-into-Your-Daily-Routine/31