Upgrade your Shimano hydraulic braking system with the Ashima Hydraulic Hose Set, compatible with Shimano models like XTR, Saint, Deore XT, SLX, Zee, and Deore. It features an outer diameter of 5.0mm and an inner diameter of 2.1mm for optimal performance. The durable construction ensures long-lasting use, and its easy installation and maintenance make it a convenient choice for enhancing your braking system.