Metal trampoline spring is made of wire material, with smooth surface and firm structure.
Fitness trampoline spring adopts spiral design, which is full of elasticity and durable.
Rust resistant fitness spring is a trampoline replacement spring suitable for all brands of trampolines.
2 hooks trampoline spring is specially designed to increase bounce, it is a good choice for you to replace.
Replacement trampoline spring features 2 hooks design, which is very practical and elastic.