Shimano's original replacement bleed screw and O-Ring for the reservoir on the bike shift/brake lever of your road bike.

Includes 2x Screws (a pair) 

• Screw head: 2.0 mm hexagon socket
• Thread: M7x4.7
• Colour: Black
• Shimano Part No.: Y0MX98020 or Y0C698030

Compatibility:

• Dura Ace ST-9270
• Dura Ace ST-R9120
• Dura Ace ST-R9170
• Ultegra ST-R8170
• Ultegra ST-R8020
• Ultegra ST-R8070
• 105 ST-R7020