Specifications Hign-concerned Chemical:None Item Diameter:0inch Item Height:0cminch Item Width:0cminch Item Length:0cminch Origin:Mainland China Item Type:Brake Disks Material:Copper content: about 50% models:Zero S ZF9.4 ZF12.5 J,Zero SR ZF12.5 J,Zero S ZF9.8 ZF13.0 J,Zero DSR ZF14.4.0,Zero S ZF14.4 Product Description Copper content: about 50% Copper based materials have high melting points and thermal stability, and can maintain stable friction performance at high temperatures (usually above 800 C), reducing thermal degradation phenomena. Fit for ZERO 2015 Zero S ZF9.4 ZF12.5 J Zero DS ZF9.4 ZF12.5 J Zero SR ZF12.5 J 2016-2019 DS ZF13.0 J Zero SR ZF13.0 J Zero S ZF9.8 ZF13.0 J 2017-2019 Zero DSR ZF13.0 J 2019-2021 Zero DS II ZF14.4 Zero DS II ZF7.2 Zero DSR ZF14.4.0 Zero DSR Black Forest Zero S ZF14.4 Zero S ZF7.2 2016-2021 Zero FX ZF3.3 ZF6.5 2017-2018 Zero FXS ZF3.3 6ZF.5 If you have any questions or do not know if the product is suitable for your car model, please contact our customer service in a timely manner. Our customer service will help you answer them in a timely manner