Ride Improvement System (RIS) by Shock TherapyThe Shock Therapy Ride Improvement System (RIS) is the perfect addition to your Shock Therapy Dual Rate Spring Kit. Our Ride Improvement System is going to be custom tailored to your specific driving style and preferred terrain type. The modifications we perform inside the shock help promote plushness through small chop and chatter, increase bottom out resistance at full compression, and remove stiff ride quality at moderate to low speeds. The Shock