1Applicable Model: Rear shocks is replacement for folding scooter electric bike poket bike. Please confirm whether your model is applicable before buying. 2Aluminium Housing: Made from pretty aluminium alloy, the red aluminium housing protects the internal damping springs and ensures the stability and durability of the shock. 3Spring Design: The inner spring can retract freely, reducing the vibration from external pressure on the eletric bike, and extending the damper's service life. 4Strong Load Capacity: Steering stabilizer has a load capacity of 750LB, enough to hold the weight of two adults, avoiding the damage of large impact to the spring used for a long time. 5Easy to Install: The holes are consistent with the original car , so you can remove and replace it without take apart existing strut assembly or any other changes, quick installation.