Printable Gear-Inch Chart
This gear-inch chart is for cyclists, bike fitters, mechanics, and anyone comparing drivetrain gearing on a 700c or 27-inch wheel. The sheet lists gear inches for cogs from 11 to 13 and chainrings 34T, 36T, 39T, 46T, 50T, and 53T. It includes sample values such as 11 to 83.5, 88.4, 95.7, 112.9, 122.7, and 130.1, plus 12 and 13 tooth rows. The formula is shown as gear inches = chainring ÷ cog × 27.
Free printable · PDF
- 1 page
- US Letter, landscape — choose “Fit to page” for A4
- PDF, 54 KB
Free for personal, family and classroom use.
Use the chart to compare gear sizes without doing the math by hand. Find the cog row, read across to the chainring you want, and match the gear-inch number to your setup. It is set up as a one-page Letter landscape PDF and also available as an XLSX file for quick reference or editing.
Good for
- Compare chainring and cog combinations
- Check gearing for 700c road bikes
- Plan drivetrain changes before buying parts
Tip: Print landscape at actual size so the full row and column labels stay easy to read.
4 files · PDF, XLSX, DOCX
Get every sheet: Gear Charts Pack
This sheet plus 3 more in one download, with the editable Excel and Word files. Printable bicycle gear-inch chart, a gear train planning worksheet, an RPM-to-speed chart template for vehicles and a gearing log.
$5.00 USD, one-time 4 files · about $1.25 each
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