Shimano ST-R9120 / 9270 Bleed Screw & O-Ring

For use with Shimano Dura-Ace ST-R9120 11spd STI Road levers.

This Bleed Screw & O-Ring can also be used on the following STI Road levers:

- Shimano Dura-Ace Di2 ST-R9170
- Shimano Ultegra Di2 ST-R8070
- Shimano Ultegra ST-R8020