Lifeline one piece stainless disc rotor 180mmthe lifeline one piece stainless disc rotor is manufactured from high strength stainless steel and its 180mm size makes it ideal for taking on more challenging cross country descents with a double milled surface and machined vents on the braking surface it will give your brakes a renewed stopping power that you can rely on features material durable 410 high strength stainless steel 180mm suitable for technical xc trail riding and steeper desc