Trampoline Springs
New Trampoline Springs – For Extreme Bounce Trampoline springs can be made from several materials, from steel to electric straps or even fiberglass. Springs are usually made from galvanized wire and ideally will conform to ASTM (American Society for Testing and Material standards) before being sold on the market. Because the bounce of the trampoline depends upon the resilience of the springs, they should be strong enough to bear the trampoline user’s weight and then …