Shimano Disc Brake Banjo O-Ring Replacement banjo O-ring for your Shimano disc brake rebuild or service routine. Shimano Disc Brake Banjo O-Ring Specifications: For: Shimano SM-BH90 series brake hoses Contents: One (1) O-ring Manufacture part #: Y8SY28000 | Shimano Disc Brake Banjo O-Ring Black, One