1. Aerodynamic design minimizes wind resistance turbulence at high speeds 2. Floating rivet connection adapts to thermal expansion, resists deformation under aggressive braking 3. Stainless steel outer ring paired with carbon fiber inner ring for lightweight riding 4. CNC machining ensures precision control 5. Quenched and hardened to 42HRC hardness 6. Material: outer ring S420 stainless steel, inner ring carbon fiber plate 7. Compatible hubs: 6-bolt hubs 8. Disc thickness: about 1.8mm 9. Outer ring diameter: about 160/180mm 10. Inner ring diameter: about 33mm 11. Diagonal hole spacing: about 44mm 12. Weight: bout 124g for 160mm, about 154g for 180mm
