Features1Colorful and gorgeous design, beautiful and cool. 2Adopts qualified 420 stainless steel brake pad. 3Two sides dispersion is no more than 0.3mm. 4Great wet and dry property. 5Good abrasion performance, quick ventilation, and good heat dispersion.SpecificationDescription: When the high-speed riding a long time brakes or brakes, the disc will be due to intense friction caused by high temperature heat bulge, floating discs will be outside the friction surface of the brake disc and the inner bracket separated, the middle with a special non-rigid structure, So that the friction surface and the bracket becomes a relatively independent force surface, when the friction surface is subject to thermal expansion, the floating structure allows the friction surface has a certain free longitudinal expansion of space, thus eliminating the internal pull between the tensile stress Of the conditions, so as to maintain the friction surface will not be due to uneven heating caused by distortion, so that the brake more stable and reliable, while the ordinary disc, high temperature expansion of the outer edge and the lower part of the temperature is integrated, will produce a strong internal Pull the stress, serious will lead to disc lateral distortion. Features: Colorful and gorgeous design, beautiful and cool. Adopts qualified 420 stainless steel brake pad. Two sides dispersion is no more than 0.3mm. Great wet and dry property. Good abrasion performance, quick ventilation, and good heat dispersion. Specifications: Condition: and High Quality Material: 40 Stainless Steel Brake Pad +7075-T6 Holder Size: 160mm/6.3'', 180mm/7'', 203mm/7.9'' (optional) Color: Red, Black (optional) Package Weight: Approx. 140-250g Packing List: 1 x Brake Disc6 x T25 ScrewsNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.Package List