Shimano ST-R9120/ST-R9170 ST-R8020/ST-R8070 Bleed Screw and O-Ring

For use with Shimano Dura-Ace ST-R9120 11 speed shifters.

This Bleed Screw & O-Ring can also be used on the following shifters:

- Shimano Dura-Ace Di2 ST-R9170

- Shimano Ultegra Di2 ST-R8070

- Shimano Ultegra ST-R8025

- Shimano Ultegra ST-R8020

Genuine Shimano replacement part.