MCS, isolator rubber. Wheel pulley RH/RA models

One-piece rubber compensator isolator. Direct replacement for the OEM isolator rubber of the sprocket in the rear wheel. OEM replacement reference 42200212. Note: The isolator is a maintenance product and it is easy to check play to see if it is within factory specifications. When you do this regularly it will enable you to plan a replacement, like together with a tire change, for better convenience.

Fits: > 21-24 RH1250 Sportster S; 22-24 RH975 Nightster; 21-24 RA1250 Pan America; 21-24 RA1250S Pan America Special