Specialized S-works SL Stem W/expander Plug Polish Blk 31.8X130-12D 31.8MM X 130MM; 12 Degree Polish Black 2017 Ships within Australia In stock. Available via Click and Collect or Buy Online Share Loading Facebook Like button... Specialized S-works SL Stem W/expander Plug Polish Blk 31.8X130-12D 31.8MM X 130MM; 12 Degree Polish Black 2017 Ships within Australia In stock. Available via Click and Collect or Buy Online Share Loading Facebook Like button...