The Shimano SM-BH59 / SM-BH90 Olive is a small but essential component used in Shimano hydraulic brake systems. It is part of the hydraulic hose assembly kit, specifically designed to create a secure and leak-free connection between the hydraulic brake hose and the brake caliper or lever.

Key Features:

• Compatibility: Designed for use with Shimano hydraulic brake systems, specifically SM-BH59 and SM-BH90 brake hoses.
• Function: Ensures a secure and tight connection to maintain the integrity of the hydraulic brake system.
• Material: High-quality materials to withstand the pressure and maintain durability over time.

Application:

This olive is used during the installation or maintenance of Shimano hydraulic brake systems, helping to ensure a proper and leak-free connection between the brake hose and the other brake components. It is commonly replaced when shortening brake hoses or installing new brake lines.