Indoor Bike Trainer – Convert Mountain, Road, or Beach Bicycle into a Stationary Exercise Bike for Indoor Riding All Year Round by Bike Lane (Silver) $27.95 Leave a reply Thumb Score: +1 Amazon has a Bike Trainer for converting bicycles into indoor exercise bikes on sale for $ 27.95. Shipping is free with Prime or on $ 35+ orders. https://www.amazon.com/dp/B00GC2HWZG Slickdeals Hot Deals Forum