203mm/180mm/160mm/140mm Bicycle Cooling Disc Brake Road Bike Floating Ice Rotor for MTB GravelOOTDTY  100% brand new and high qualityFeatures:Special heatsink: The floating refrigeration brake rotor increase special structure of the heat sink, after the heat treatment process, the heat sink is in seamless contact with the external frame, which is equivalent to a thermal diffuser, it can be quickly dissipated .High strength material: High strength stainless steel material of the outside use of the rotor, use of the inner ultralight thicken aluminum alloy material, complete engraving and milling of the cnc, anodizing black and red color, stamping.Floating buckle: 75 °five-pin fixed connection design, the most stable way to force, the floating structure can prevent vibration caused by the longitudinal expansion of the disc when it locks due to high temperature. Improve cycling safety.Ultralight: Made in hollow design, with great resistance when reducing weight, and Hollow structure helps to dissipate heat, drain mud and drain.Bicycle Brake Disc only, other accessories demo in the picture is not included!Specifications:Material: aluminum disc core + stainless steel + aluminum wing heat sinkOptional Diameter: 01, 02, 03, 0401 Diameter: app.140mm/5.51in02 Diameter: app.160mm/6.30in03 Diameter: app.180mm/7.09in04 Diameter: app.203mm/7.99inOptional Color: Black, RedQuantity: 1 PcNote:Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!Package Includes:1 x Bicycle Brake Disc