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Cyclecomputer Calibration Group A
From WikiPedalia
Original article: https://www.sheldonbrown.com/cyclecomp_a.html on sheldonbrown.com
- Reproduced with the permission of John Allen and Harriet Fell — all rights reserved. The version on sheldonbrown.com is authoritative.
- Mirrored: 2026-10-05 · Last update of the original: see original
German translation: Fahrradcomputer Einstellungsgruppe A on wikipedalia.com
If the model name is highlighted, clicking on it will take you to detailed setting instructions. Otherwise, look up the computer in the cyclecomputer database.
Avocet 35 (miles), 40 (miles), 45 (miles), 50 (miles), Schwinn Speed Thing (round to nearest inch)
Circumference in inches
| 700 X 44 | 87.55 |
| 700 X 38 | 85.82 |
| 700 X 35 | 84.21 |
| 700 X 32 | 83.22 |
| 700 X 28 | 82.55 |
| 700 X 25 | 82.12 |
| 700 X 23 | 81.56 |
| 700 X 20 | 81.02 |
| 27 X 1 3/8 | 85.08 |
| 27 X 1 1/4 | 84.33 |
| 27 X 1 1/8 | 83.58 |
| 27 X 1 | 82.91 |
| 26 X 2.125 | 82.12 |
| 26 X 1.9 | 80.63 |
| 26 X 1.5 | 77.71 |
| 26 X 1.25 | 77.44 |
| 26 X 1.0 (559 mm) | 75.31 |
| 26 x 1 (650C) | 76.85 |
| Wide Tubular | 83.34 |
| Narrow Tubular | 82.12 |
| 26 X 1 3/8 | 81.41 |
| 24 | 75.43 |
| 24 x 1 | 69.01 |
| 20 X 1.75 (406) | 60.15 |
| 20 X 1 1/4 (451) | 63.70 |
| 17 x 1 1/4 | 52.17 |
| 16 x 1 3/8 | 50.47 |
