I. Lighter & Cooler: Outer Drive Face Specs
Redesigned to reduce rotational mass and dramatically improve cooling efficiency compared to stock.
| Feature | KOSO Spec | OEM Spec | Advantage |
| Weight | 206.5g | 214g | 6.5g Lighter - Quicker response. |
| Cooling | +17% Area | Standard | Superior heat dissipation. |
| Material | High-Silicon Al-Alloy | Standard | High strength and wear resistance. |
II. Stronger & Smoother: Drive Pulley Specs
Engineered for precision, heat resistance, and maximized power transfer efficiency.
| Feature | KOSO Spec | OEM Spec | Advantage |
| Weight | 340g | 362.5g | 22.5g Lighter - Reduced inertia. |
| Bearing | Powder Metallurgy | Standard | Reduces runout, boosts efficiency. |
| Structure | High-Strength | Standard | Resists high-temp deformation. |
| Ratio | 3.68 | 3.01 | Tuned for ideal power curve. |
III. Kit Components: Uncompromising Durability
Every part is upgraded for reliable, long-term performance under extreme conditions:
-
Pressure Plate: Hardened treatment for enhanced wear resistance and self-lubrication.
-
Slide Pieces: Extreme resistance to high temperature and impact.
-
Roller Weights: High-precision, high-roundness, and formulated for heat and impact resistance.
-
Torque Spring: Made from Silicon Chrome Alloy Steel to resist fatigue and maintain consistent tension.
The KOSO Transmission Power Kit is not just an upgrade; it's a recalibration of your KRV Roma 180's power delivery.
Applicable vehicles: KRV-180 / ROMA GT-180