leg support exerciser PREMIUM QUALITY MATERIAL: Made of soft foam and lightweight steel bracket with good abrasion resistance and tear strength. Electric Pedal Exercise Bike Auxiliary Accessories. EASY TO INSTALL: Pedals and leg braces are easy to separate left and right, no confusion. WIDE COMPATIBILITY: Comes with specialized pedals. Standard threads are compatible with 99% of electric pedal trainers on the market. RATIONAL DESIGN: Pedal straps hold your legs and feet well and make you feel more comfortable while exercising. UNIVERSAL SIZE: Maximum length is 13 inches and maximum width is 6.1 inches. The pedal straps are adjustable, you can adjust them according to your needs.