CYCLAMI Bicycle Ultra-Lightweight Carbon Fiber Brake Rotor Center-lock 6-bolt Disc Brake, Spec: 180mm

1. Carbon fiber inner ring design offers excellent hardness, high toughness, and lightweight construction
2. The floating clamp design prevents the outer disc from locking directly to the hub, allowing for expansion and reducing heat transfer
3. CNC-machined with a 23-hole vented design to accelerate heat dissipation
4. Standard 6-bolt mounting compatible with most vehicle models
5. Material: S420 stainless steel brake rotor + carbon fiber plate
6. Inner diameter: 33mm
7. Bolt pattern: 44mm
8. Bolt holes: 6
9. Weight: 160mm disc about 116g, 180mm disc about 140g