– Outer Disc:SUS410- Inner Disc:7075-T6- Excellent heat dissipation- High Strength- Lighter weight- Floating Performance- Weight : Approx. 88g ±10g (without screw set) (The weight printed on the disc rotor only for reference, please make the actual object as the standard.)- Size: 180mm- For international standard hub- Screws included- Color: Red (as pic. shown)- Made in TaiwanSold in 2 pcs