The Shimano SM-BH90 XTR/XT/SLX Rear Disc Brake Hose is a premium replacement hydraulic brake hose for Shimano rear disc brake systems. It uses a resin coated, stiff reinforced design to support sharp brake feel under pressure. The 2.1mm bore helps maintain strong oil flow and fast brake response, while the 170cm length gives good coverage for rear brake fitting.Key Features and Benefits:Premium resin coated hydraulic hose: The resin coating helps protect the hose during use and supports smooth hydraulic performance. This helps keep braking feel more stable, so the lever response stays sharp and controlled.Stiff reinforced hose construction: The reinforced hose limits expansion when brake pressure rises. This helps transfer lever force more directly through the system, giving the brake a firmer feel and more consistent power.2.1mm bore diameter: The internal bore is designed to support efficient hydraulic oil movement between the lever and caliper. This helps improve brake response, so power is delivered quickly when you pull the lever.170cm rear brake length with olive and insert included: The 170cm hose is made for rear brake use and can be cut to fit your bike. The included olive and insert support a secure fit, helping make installation cleaner and more practical.This brake hose is built for riders who need reliable rear brake performance from a Shimano hydraulic system. Its reinforced construction, resin coating, and correct bore size help maintain a direct lever feel and dependable braking response. Compatibility with Shimano XTR M9000 and M9020 systems makes it a practical replacement for high-level mountain bike brake setups.Choose the Shimano SM-BH90 XTR/XT/SLX Rear Disc Brake Hose for a clean rear brake hose replacement that supports firm lever feel, sharp response, and reliable Shimano hydraulic braking.Premium replacement resin coated hydraulic brake hoseStiff reinforced hose that performs under pressure, keeping your brakes sharp2.1 mm bore diameter for excellent brake performance and responseEngineered for use with Shimano XTR M9000 / M9020 hydraulic disc brake system170 cm length for rear brakeEasily cuttable to fit - comes complete with olive and insert