Shimano SM-BH90 Brake Hose Flange Connecting Bolt Unit for Dura-Ace R9120/R9170 Levers

This M9 black flange unit includes the connecting bolt, olive, and insert pin for secure hose attachment to ST-R9120/ST-R9170 shifters and compatible calipers (BR-R9170/R9270). Designed for high-stiffness SM-BH90-JK-SSR hoses; torque to 5-7 NA m at lever end. Fully compatible with Ultegra/105/GRX equivalents.