Goodridge Shadow Brake Line Kit Rear for Yamaha YZF-R1 09-11 The cutting edge, all stainless steel, flagship Goodridge Sportbike Kit The stainless steel hardware undergoes Goodridge proprietary coating process, which electronically lacquers the fittings The Shadow hose features a black PVC coating, the PTFE inner liner, and stainless steel braided armor The PTFE hose liner is an inert material, compatible with all hydraulic and brake fluids, has a heat range of -158deg to 500deg, and shields brake systems from moisture, unlike other materials like nylon The stainless steel braid is superior in pressure rating, flame resistance, and volumetric expansion to all other materials, including Kevlar, resulting in unmatched stopping power