Helix Standard Fuel Line High quality, alcohol resistant fuel lines that are ready to add a personal touch to your bike's style. Features: High quality fuel line, made up of 100 polyurethane that can accommodate up to 10 alcohol content in fuel Available in black, clear, opaque and translucent colors: Translucent options allow for more light transmission than opaque options Translucent options are clearer than opaque options Highly flexible with tight bend radius Remains flexible within a wide range of working temperatures (-75 F to 175 F) Melting temperature of up to 370 F Superior resistance to kinking, abrasion, tearing, oxidation and chemical damage Fuel line will not harden over time For your safety, always use clamps when replacing tubing or hose, even on gravity fed systems