The OverDrive Trike Trainer, powered by ARC Technology, automatically adjusts in resistance as the rider changes speed � no manual adjustment necessary. In higher speeds, the OverDrive Trike Trainer will ramp up the resistance (more than the Mag version) to realistically mimic road riding conditions. This trainer is perfect for the active trike customer who wants to maintain fitness while riding indoors.The OverDrive Trike Trainer is also perfect for families with varying skill levels. Just...