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Ratio table
The maximum allowed resistance for each category for the road races.
| Category | Gain ratio (maximum) |
|---|---|
| 1 | 5,46 meter |
| 2 | 5,46 meter |
| 3 | 5,78 meter |
| 4 | 5,78 meter |
| 5 | 6,14 meter |
| 6 | 6,14 meter |
| 7 | 6,55 meter |
| Newcomers ladies | 7,01 meter |
| Newcomers | 7,01 meter |
Formula: Gain ratio = Diameter of drive wheel in inches × (number of teeth in biggest front chainring / number of teeth in smallest rear sprocket)
The maximum distance of your gear is measured with the wheel circumference 2096 mm. If your wheel circumference is not 2096 mm please check the website www.wielersportinfo.nl to be sure your gear will be accepted according the dutch regulations.
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