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Summary: Standard "Mini" CRG
The plaque R 25-31 is specifically dimensioned for short wheelbase chassis. It defines the demultiplication ratio between the steering wheel and the wheels for the minimal and cadet categories.
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Geometry R 25-31: The numbers indicate the distance positions (25 mm and 31 mm) of the mounting holes. This configuration offers a shorter lever arm than on adult models, avoiding too violent direction or too heavy for a child.
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Adjustment of the Ackermann:
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25 mm holes: Direction more direct, ideal for winding circuits.
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Holes at 31 mm: Steering more stable and progressive, recommended for large curves or beginners.
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- Technical specifications
| Feature | Specification |
| Mark | CRG (Original Spare Parts) |
| Range | R 2.0 Mini |
| Geometry code | R 25-31 |
| Material | Special laser cut steel |
| Compatibility | Columns CRG Mini (Hero, Black Mirror, Puffo) |
| Use | CIK-FIA approved competition (Mini categories) |
- Mounting Tuto: Precision and Sweetness
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Post-collision verification: Mini column plates are tiered at the end of frequent peloton contacts. A slight folding of the plate (invisible to the naked eye) can distort the parallelism of several millimeters.
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Tightening the ball joints: Always use new Nylstop nuts and safety washers. In mini, the 60cc engine vibrations can loosen the fasteners if they are not perfectly locked.
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Freedom of steering: Make sure that thoroughly, the steering ball does not come in mechanical abutment against the angle of the plate. Use beveled spacers if necessary.
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Alignment: Check that the plate is perfectly centered when your steering wheel is straight.
💡 Michel's trick
"On mini chassis, the plate setting is often overlooked. The trick: If the young pilot complains that the Kart 'jumps' or 'jump' from the front forward input, try to pass the rods on the widest holes (31 mm). My Pro Council: This calms the direction and allows the chassis to work more flat. This is often the winning setting to restore confidence to a child who starts competing. "
❓ FAQ SEO (Frequently Asked Questions)
Q: Can I mount a R 35-40 plate on a mini chassis?
A: No. The adult plate (35-40) is too wide. It would make the direction extremely hard for a child and the robbering geometry (Ackermann) would be totally distorted from the short wheelbase of the mini.
Q: How do I know if my plate is twisted?
A: Place a flat rule on the plate. It must be perfectly plan. If you observe a light day under the rule or if the two fixing holes do not seem more horizontally aligned, the column must be replaced.
Q: Is the plate sold separately?
A: No, at CRGThe plate is an integral part of the column (welded). If the plate is damaged, it is the entire R 2.0 column that must be changed to ensure security.
Specific References
The plaque R 25-31 is specifically dimensioned for short wheelbase chassis. It defines the demultiplication ratio between the steering wheel and the wheels for the minimal and cadet categories.
-
Geometry R 25-31: The numbers indicate the distance positions (25 mm and 31 mm) of the mounting holes. This configuration offers a shorter lever arm than on adult models, avoiding too violent direction or too heavy for a child.
-
Adjustment of the Ackermann:
-
25 mm holes: Direction more direct, ideal for winding circuits.
-
Holes at 31 mm: Steering more stable and progressive, recommended for large curves or beginners.
-