Monarch Air Damper Shaft assemblies for repair and maintenance of Rockshox rear shocks. MPN: 11.4118.099.012 - RockShox - Monarch Damper Shaft Assembly - Rear Shock Part. We are out East at 3063 Columbia Ave. - Lancaster PA, 17603 & out West at 3225 Grande Vista Dr. - Newbury Park, CA 91320 & 165 Design Place, #105 - Sparks, NV, 89441.
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