• Five internal resistance settings via wired triggering
• This "Trainer" is one of the quietest on the market
• The Trainer can be compacted Folded for easy travel and storage
• Sturdy frame makes the trainer rigid
• It utilizes a state of the art magnet system which provides progressive magnetic resistance increases as the speed increases 
• Fits 26-28 inches or 700C bike wheels with quick release ( We do have 16-20 inches, 22-24 inches as well )
• The trainer includes a drive-by-wire device so that you can change the resistance from your handle bars directly.
•  Precision-machined roller to reduce tire wear