First prototype was made in 1999 using glass-reinforced plastic
rods, with the first commercial versions began selling in late
2004. Springfree Trampoline is a new invention in the field of
Trampolines, uses flexible composite rods that lie beneath the
jumping surface and out of harm's way. Spring free trampolines are
arguable considered safer than the traditional spring based
springs without compromising the jump force.
Spring free trampolines costs much higher than the spring based trampolines and usually comes in Round or Oval shapes.
Common Round Sizes
Common Oval Sizes