Garmin Forerunner 945 LTE Owners Manual - Page 121
Wheel Size and Circumference, Tire Size, Wheel Circumference mm
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Wheel Size and Circumference Your speed sensor automatically detects your wheel size. If necessary, you can manually enter your wheel circumference in the speed sensor settings. The tire size is marked on both sides of the tire. This is not a comprehensive list. You can also measure the circumference of your wheel or use one of the calculators available on the internet. Tire Size Wheel Circumference (mm) 20 × 1.75 1515 20 × 1-3/8 1615 22 × 1-3/8 1770 22 × 1-1/2 1785 24 × 1 1753 24 × 3/4 Tubular 1785 24 × 1-1/8 1795 24 × 1.75 1890 24 × 1-1/4 1905 24 × 2.00 1925 24 × 2.125 1965 26 × 7/8 1920 26 × 1-1.0 1913 26 × 1 1952 26 × 1.25 1953 26 × 1-1/8 1970 26 × 1.40 2005 26 × 1.50 2010 26 × 1.75 2023 26 × 1.95 2050 26 × 2.00 2055 26 × 1-3/8 2068 26 × 2.10 2068 26 × 2.125 2070 26 × 2.35 2083 26 × 1-1/2 2100 26 × 3.00 2170 27 × 1 2145 27 × 1-1/8 2155 Appendix 113
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