Shimano BL-M666 Bleed Screw & O-Ring

This is a Bleed Port Screw & O-Ring it for Shimano hydraulic brake levers.

Features:

• Replaces lost or broken bleed port screw & o-ring

Compatibility:

• 105: 105 ST-R7020, 105 ST-R7025, Tiagra ST-4725, Tiagra ST-4720, GRX Di2 ST-RX815, GRX ST-RX600, GRX ST-RX400
• Dura-Ace/Ultegra: Dura-Ace ST-R9120/Ultegra ST-R8020
• SLX/Deore: SLX BL-M666, Deore BL-M596 ("B" fit for XT BL-M8000 and BL-M785)
• XT/SLX: XT BL-M8000, SLX BL-M7000 ("B" fit for XTR BL-M9020, XT BL-M785)