ZANVORI PERFORMANCE
50MM AXLE – ALL SIZES & GRADES
Professional-grade kart axles made in Italy by Zanvori.
Designed as a high-quality replacement for OTK 50mm axles, manufactured using premium Italian steel comparable to genuine OTK components.
Specifications
- Diameter: 50mm
- B Dimension: 120mm
- D Dimension: 245mm
Axle Stiffness Options
| Grade | Stiffness Rating | Colour Code | OTK Equivalent |
|---|
| Extra Soft | — | — | — |
| Soft | 350–400 N/mm² | Red | OTK Type U |
| Medium / Soft | — | — | — |
| Medium | 480–550 N/mm² | Green | OTK Type N |
| Medium (Springy) | — | — | — |
| Medium / Hard | — | — | — |
| Hard | 650+ N/mm² | White | OTK Type H |
| Extra Hard | — | — | — |
Features
- Precision-engineered in Italy
- High-quality Italian steel construction
- Excellent alternative to genuine OTK axles
- Available in multiple stiffness grades to suit track conditions and driving style
- Compatible with OTK chassis platforms including Tony Kart, Kosmic, Exprit, Redspeed and EOS
Choosing the Right Axle
- Softer axles increase rear grip and help in low-grip or wet conditions.
- Harder axles free up the kart and improve performance in high-grip conditions.
- Medium grades provide balanced handling for general use.