XM 180 190 X 37.5mm A great all-around lightweight shock built with Swiss precision Adjustable rebound and lockout (remote optional) Spherical ball joints eliminate side loading on shock for enhanced durability Auto Balancing Spring air system for one valve filling of positive and negative chambers 177 gramsItem SpecificationsColor: blackSize: 190UPC: 7630013901068MPN: CXM18A190DAS89002SSold Individually