Group A Cyclecomputers

If the model name is highlighted, clicking on it will take you to detailed setting instructions.

Avocet 35 (miles), 40 (miles), 45 (miles), 50 (miles),

Schwinn Speed Thing (round to nearest inch)

spoke divider

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

Feedback? Questions?

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Harris Cyclery Home Page

Updated Friday, December 4, 1998 9:27 AM
URL: http://sheldonbrown.org/cyclecomp_a.html