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Summary: The dorsal spine of your back protection
The central part of the sigma rear bumper is not only an aesthetic support; It's a critical piece of security. Conceived by KG, world leader in Karting bodywork, this piece ensures the rigidity of the entire rear protection. In case of shock, it is it that distributes the energy on the fasteners of the chassis.
The big advantage of this room is his fIA homologation, essential if you run in federal competitions or championships where the compliance of the equipment is verified.
🏎️ Why choose the central part Sigma KG ?
FIA Approval (Group 1-2): You do not take any risk during technical checks. Your bumper meets the standards of resistance and dimensions imposed by the CIK-FIA.
Robustness KG: The plastic used by KG is recognized for its controlled flexibility: it absorbs impacts without bursting, thus protecting the fixings of your engine and your rear shaft.
Perfect integration: Designed to assemble without play with Sigma side parts, it guarantees a sleek and aerodynamic line.
Simplified installation: The fixing points are pre-molded at the standard locations of the modern frames, allowing a quick assembly.
💡 Michel's trick
"The central part is often the one we forget to check after a 'chestnut' at the end of the race. The trick: Always inspect the mounting holes of this central part, because it is where the cracks appear first because of the vibration of the motor. If you see a crack start, do not delay to put a wide washer or replace the room. My Pro Council: For mounting, always use screws with a wide head or 'bodket washers' to distribute the pressure on the plastic. This avoids that the screw head does not cross the plastic during a big rear shock. "
⚙️ Technical specifications
| Feature | Specification |
| Designation | Central part rear bumper |
| Model | SIGMA |
| Mark | KG |
| Reference | RC.290.NE |
| Approval | FIA (Group 1-2) |
| Color | Black |
❓ FAQ SEO (Frequently Asked Questions)
Q: Is this central part compatible with the lateral extensions of another model (eg OMEGA) ?
A: No, the SIGMA range has a specific design. For optimum safety and perfect fit, it is strongly recommended to use the corresponding Sigma side parts.
Q: Why does a FIA homologation for a bumper ?
A: The FIA requires strict standards on the shape, size and deformability of bumpers to prevent them from being used as a throwing ramp in the event of a collision between two karts.
✅ the "complete kit" back
You now have the information on the central part. If you want to redo all your back protection, remember that we also have the lateral extensions (right and left) available:
[Kit partie externe SIGMA - Gauche] (Ref: AC.051.SX.NE)
[Kit partie externe SIGMA - Droit] (Ref: AC.051.DX.NE)
RC.290.NE
Specific References
The central part of the sigma rear bumper is not only an aesthetic support; It's a critical piece of security. Conceived by Kg, world leader in Karting bodywork, this piece ensures the rigidity of the entire rear protection. In case of shock, it is it that distributes the energy on the fasteners of the chassis.
The big advantage of this room is his FIA homologation, essential if you run in federal competitions or championships where the compliance of the equipment is verified.