1. Asymmetric Flywheel Mount for Superior Stability Asymmetric reinforced mount with custom polymer + dual-bearing stainless steel spindle, 30% more stable than standard reels. Sizes 2000-4000 cover diverse fishing needs, balancing strength and lightweight design. 2.6.3:1 high speed ratio Precision Transmission, Durable & Wobble-Free Screw-in rocker arm. CNC integrated molding + upgraded dense-tooth gear set, 6.3:1 high speed ratio, faster fish retrieval, stable power transmission. 3.7+1 Double-Sealed Bearings. 7+1 stainless steel double-sealed bearings offer ultra-smooth performance and strong seawater resistance. All-round waterproof sealing prevents rust, dust/water intrusion and lubricant leakage, extending service life. 4. 8-15KG Strong Drag for Precise Control Metal pin-type drag system + large-diameter drag knob, adjustable 8-15KG drag force for quick, accurate adjustments. Clear drag alarm and sensitive feedback, all-metal construction ensures wear resistance and no fish loss. 5. Optimized Line Output & All-Scenario Adaptation Thickened high-gloss line roller reduces friction for farther, smoother casting. No anti-reverse switch simplifies structure, enhances waterproofing and improves aesthetics. Corrosion-resistant materials fit freshwater/saltwater use, lightweight body for comfortable long-time use and easy maintenance.