Ohuhu Magnet Steel Bike Bicycle Indoor Exercise Trainer Stand Quiet [very low noise]and smooth magnetic resistance - Provides progressive magnetic resistance increases as the speed increases. Flexible internal resistance settings [no fixed levels]- Allows you to slowly increase/decrease resistance levels. Now you can adjust the best resistance level when training based on you own physical condition. An adjustable bar-mounted remote allows you to effortlessly control the bikes resistance from your handlebar. Extra wide, stable frame provides solid performance during hard efforts. [Despite its heavy frame, this bike trainer can be easily folded for transportation and storage.] Easy setup - Hooks up to just about any bike, including road and mountain bikes with a 24 28  or 700c wheel. Finetune to your wheel and tire size with the micro-adjust knob.