Trampoline Springs are the a very important part of the trampoline and, together with the jumping mat, give the trampoline an optimal bounce. Replacing the old springs with new ones will give the trampoline a new life and the original bounce back. Our trampoline springs are heavy-duty, galvanised and cold weather crack-resistant. Available in different sizes so to replace the springs of every trampoline brands and models. Before purchasing the trampoline springs, you need to disconnect just one old spring from the jumping mat and the frame of your trampoline, then fully measure the spring in its resting position from hook to hook (not just the coil) to find out the correct spring size you need.