Thicker inner damper tube for increased strength along with a 6mm reduction in overall width on the valve body from 68mm to 50.5mm to fit more frames with tighter tolerances Detents on the preload collar to allow more precise preload tuning 4way independent adjustment: high-speed compression, low-speed compression, high-speed rebound and low-speed rebound Climb Switch changes compression and rebound damping simultaneously to mitigate unwanted chassis motion while climbing Spring and mounting hardware sold separately