Take your Alleyoop Variable Bounce to the next level with Power Bounce. These super-staged springs and Power Arm adjustable linkage allow you to choose the setting to provide the best combination of shock absorption and performance for your trampoline. This state-of-the-art technology improves both shock - absorption and bounce performance. It's the first and only single-bed trampoline that can be tuned for different age, weight, and skill levels, yet it also broadens the performance spectrum so that jumpers with a wider range of weights