Flexx-fit lines are not brake hoses! Flexx-fit lines are flexible brake lines. Use them anywhere a more flexible, shock-resistant, & corrosion-proof section of line is needed.no need to hunt down expensive application specific OE assemblies. Just use a flexx-fit line & poly-armour or nicopp line to create your own -faster & more economically!top applications: abs controllers, master cylinders, trailers -boat, rv, etc., clutch, wheel cylinder/brakes, motorcycles -rear brake, rear axle -rwd.