Shimano ST-R9120 Bleed Screw and O-Ring

Shimano's original replacement bleed screw and O-Ring for the reservoir on the bike shift/brake lever of your road bike.. Screw head: 2.5 mm hexagon socket
. Thread: M5x4.7
. Colour: Black

Compatibility
. Dura Ace ST-R9120
. Dura Ace ST-R9170
. Ultegra ST-R8020
. Ultegra ST-R8070