[[:techtalk:menu|{{ :techtalk:gototechnicalmenu.jpg|}}]] ====== IH: Wheels, Brakes & Tires - Sub-02J ====== \\ ====== Rear Master Cylinder Identification ====== ====== 1980-1981 Rear Master Cylinder ====== Markings stamped into the bowl are (L80) and (11-2) on this one. \\ Bore: 3/4" \\ {{:techtalk:ih:wheels:1981_rear_master_cylinder_by_fitz89.jpg?direct&300|}} ((photo by Fitz89 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/198950-rebuilding-1981-m-c?t=2075764)) \\ \\ [[:techtalk:menu|{{:techtalk:gototechnicalmenu.jpg|}}]]