SUS air rear shocks are designed for performance and dependability in a light weight package. The SUS is a light weight aluminum body shock weighing just 290 grams in the 165mm size. SUS models feature sealed hydraulic dampers while the SUS-R adds an adjustable rebound. SUS-L adds a Lockout function. All of them are available in two lengths: 165mm eye to eye with 38mm travel or 190mm eye to eye with 51mm travel.