The Shimano BR-M985 Connecting Bolt Unit is a genuine replacement kit designed for seamless integration with Shimano’s high-performance BR-M985 hydraulic disc brakes. It ensures a secure and leak-free connection between the brake hose and caliper. All-in-One Compatibility: This kit includes all necessary components—olive, insert (barbed sleeve), and a straight attachment bolt—making it convenient for quick replacements or hose modifications. It is specifically tailored to work with Shimano BH90 hydraulic brake hoses. Precision Fit and Secure Seal: Engineered with Shimano’s high standards, the components provide a tight seal to prevent brake fluid leakage, ensuring safe and responsive braking. The olive and insert are precision-machined to maintain optimal pressure and performance. Durable and Reliable: Made from durable materials, the parts resist wear from heat and pressure during aggressive braking. The connector bolt is built to endure long-term use without compromising braking integrity or requiring frequent replacements. Whether you're shortening a hose or servicing your braking system, this compact kit delivers all the parts you need in a single pack.