| Top: Home page | ||
| Drive ratios of bicycle hub gears | ||
| including most common hubs and many rare ones | ||
| A workbook prepared in Microsoft Excel 2007 | ||
| and also saved as Web pages | ||
| John S. Allen | ||
| Read this first | ||
| Acknowledgements | ||
| Fractional ratios | ||
| Improper fractions | ||
| Decimal approximations | ||
| Increments and total range | ||
| Example of reverse engineering | ||
| Original Excel workbook, with formulas | ||
| copyright 2009, 2010, John S. Allen | ||
| Last revised May 23, 2016 | ||