Inner Extenders
Last Updated: April 2026
Rebound Spring Extenders
These are little hooks which are used to make a new spring shorter, to supply less tension.
They are one of the keys to the great bouncing experience which Rebound Products provides.
We are the only manufacturer who has a strategy to deal with the facts…
All springs lose tension over time, mostly in the first few months, and also beds elongate continually after an initial growth spurt.
To provide an optimal bounce for as long as possible, we offer low growth beds and high lifetime springs. We also make the springs so they are a bit too tight when brand new.
With a few extenders on the bed initially, the potential exists to keep the perfect tension throughout the life of the bed. Other manufacturers give you a product which starts out too tight and ends up too soft.
Extenders also allow adjustments for different user preferences.
New Inner Extenders
Originally extenders were placed between the springs and the frame. This moved the spring weight closer to the bed, adding to effective spring weight.
By placing the extender between the spring and the bed, we get the opposite, removing some effective spring weight.
Rebound Products is the only manufacturer of inner extenders. These are made to be both strong and light. Also the shape has been designed to place all sharp wire ends out of harm’s way.
Pricing
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Inner Extenders
each
(normally 54 used on a new bed)
(Made in Canada)
| Specification | Details |
| Product Name | Inner Extenders |
| Product Type | Trampoline spring extender / spring tension adjustment accessory |
| Component Style | Small hook-style extender |
| Primary Function | Used to reduce spring tension by making a new spring effectively shorter. |
| Use Location | Installed between the spring and the trampoline bed. |
| Bounce Adjustment | Helps customize trampoline bounce without performance loss. |
| Tension Control | Helps maintain more consistent spring tension as springs lose tension and beds elongate over time. |
| Performance Purpose | Supports optimal bounce feel throughout the life of the bed. |
| Effective Spring Weight | Inner placement helps remove some effective spring weight compared with traditional frame-side extender placement. |
| Design Features | Strong, lightweight design with sharp wire ends positioned out of harm’s way. |
| Manufacturer Note | Rebound Products is the only manufacturer of inner extenders. |
| Typical Quantity | Normally 54 used on a new bed- every other spring-not including corner springs |
| Available Configuration | Inner Extenders — each |
| Best Use |
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| Ideal For — Industry |
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| Ideal For — Person |
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| Shipping | Available through Rebound Products; shipping options can be arranged based on quantity and destination. |
| Warranty | 1-year warranty against manufacturing defects. |
Looking for more information?
Contact us below to place an order, learn more about our products, or to get a quote.