TR1.1 Reservoir Gasket and Cover TRP-ABOT001033 TRP-ABOT001034: This is a reservoir gasket and cover for the Trail EVO (HD-M843), Trail S (HD-M817), E-MTB (HD-E842), G-Spec Trail SLC, SL and S (HD M826/M825/M815) and G-Spec EMTB (HD-M840). Available in left hand or right hand.