YBEKI Bike disc Brake Rotor 140mm 160mm 180mm 203mm Heat Dissipation with 6 Bolts for Road Mountain MTB BMX Stainless Steel Bicycle (black, 180mm)

🔥 【Advanced Thermal Management System】Floating Rivet Design: 5mm shortened heat sink rivets + 30% thicker brackets dissipate heat (lab-tested at 300°C continuous). Laser-Cut Grooves: Directional channels eject mud/water instantly while braking, maintaining 95% wet condition performance. 🛡 【Industrial-Grade Dual-Layer Construction】Outer Ring: Japanese SUS420 martensitic steel (HRC 38-42) resists warping even on Alpine descents. Inner Hub: Aerospace 6061-T6 aluminum with 3-layer anodization passes corrosion-resistant anodized finish. Precision CNC Machining: ±0.1mm tolerance ensures perfect alignment with 44mm PCD hubs. ⚡ 【Pro Installation Kit & Weight Optimization】Complete Set: fit 98% 6-bolt systems. Universal 44mm PCD (ISO standard) fits 98% of modern bikes. Each set includes 2 rotors + 12 titanium-coated M6 bolts (thread locker pre-applied). Weight-optimized design: 140mm: 110g | 160mm: 135g | 180mm: 160g | 203mm: 210g. Clear size markings prevent installation errors. 📊 【Rider-Validated Durability】 30% thicker edge reinforcement withstands 50,000+ brake cycles (engineered for extended lifespan). Warp-resistant design: Dual-material expansion tech prevents deformation on 20% gradient declines. ✅ 【One year warranty 】If you have any question for YBEKI Premium Floating Disc Brake Rotor, pls feel free to contact us.