2 Pack Bike Disc Brake Rotors 160/180/203mm CNC Machined Stainless Steel 12 Bolt 6 Hole with Dope Heat Dissipation Holes for Maximum Airflow and Cooler Brakes on MTB Road BMX Bikes Black

Two-Pack CNC Disc Rotors for MTB: 160/180/203mm
✔️ 12-bolt, 6-hole rotors with heat-dissipation holes

These disc brake rotors are CNC-machined stainless steel discs designed for MTB, road, BMX and e-bike setups, delivering improved airflow and heat management for cooler braking in rugged conditions.

✅ 5-axis CNC precision to ±0.05mm tolerance
✅ 420 stainless steel baseplate, 40±2 HRC
✅ MIL-SPEC triple-layer anodization, 2000h salt spray tested
✅ Radial mirror polishing, Ra ≤ 0.8 μm
✅ Honeycomb lightweight design, 28% lighter (160mm 99g / 180mm 125g / 203mm 181g)
✅ 6-bolt reinforcement with anti-loosening screws (6-8 N·m)
✅ Triple-layer composite: 1.5mm SS + 2mm Al shim + 0.5mm coating
✅ Cerakote color coating, 5-year fade resistance
✅ Includes 12 titanium-coated M6×16mm screws (10.9 strength)
✅ Colors: Black / Red / Blue / Purple

💡 What is a bike disc brake rotor used for in MTB and road cycling? This part serves as the heat-dissipation and braking interface between caliper and wheel, helping convert braking force into stopping power while keeping rotor temperatures in check.

- Heats and brakes are managed through airflow-dedicated holes for consistent stopping power - Sizes 160mm, 180mm, and 203mm fit XC, All-Mountain, and DH configurations - Built to resist rust and wear with stainless steel base and protective coating - Includes hardware for easy install and secure mounting