This DNM Air Shock is exactly what your razor needs to become the Ultimate version of itself you always dreamed it could be. We STRONGLY recommend this shock to pair with our ETM Front Fork Kit for a balanced ride feel and height.  With real damping via hydraulic design you are sure to feel like your riding a totally different bike! Not only is the rebound adjustable on this little guy, the dampening is also adjustable! This particular model also boasts the longest travel of the AOY family! Compatibility RAZOR MX500 & MX650 ONLY. NOT INTENDED FOR SX500 OR RSF! Specifications DNM AOY-36RC 190MM (eye to eye) 250-550 lbs. (Adjustable via air pressure)