Ebay offers Soozier Indoor Bike Trainer Portable Exercise Bicycle Foldable Roller Stand for $61.99 (orig. $93.99) with free shipping.

Product Description:
No need to make excuses to stop your training because the weather is raining, snowing or foggy. Soozier roller bike trainer gives you the same feeling of riding outdoors in the comfort of your home. Our roller trainer is made of lightweight yet sturdy steel and aluminum material for extra strength and can hold up to 265 lbs.. With an adjustable front roller position, it is suitable for most bikes with wheel sizes of 24", 26", 28", 29", and 700C. Super smooth and with almost no noise, this adjustable trainer is great for indoor training and helps you keep fit with ease!

Features

•  Adjustable front roller fits most bikes with wheels sizes of 24' 26", 28", 29", and 700C
•  Applicable bicycle wheelbase: 970-1090mm
•  3 wide HDPE rollers and durable nylon belt for quiet and consistent drive
•  An anti-slip pedal included
•  Elevated footings for increased stability and comforts
•  Lightweight frame makes it easy to transport
• Note:When training with mountain bike, there might be some noise,.Alao not for MTB bike