Garmin Forerunner 945 Owners Manual - Page 51

Wheel Size and Circumference, Symbol Definitions

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Males Fair Untrained Watts per Kilogram (W/kg) From 2.23 to 2.78 Less than 2.23 Females Superior Excellent Good Fair Untrained Watts per Kilogram (W/kg) 4.30 and greater From 3.33 to 4.29 From 2.36 to 3.32 From 1.90 to 2.35 Less than 1.90 FTP ratings are based on research by Hunter Allen and Andrew Coggan, PhD, Training and Racing with a Power Meter (Boulder, CO: VeloPress, 2010). 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 27 × 1-1/4 2161 27 × 1-3/8 2169 29 x 2.1 2288 29 x 2.2 2298 29 x 2.3 2326 650 x 20C 1938 650 x 23C 1944 Tire Size 650 × 35A 650 × 38B 650 × 38A 700 × 18C 700 × 19C 700 × 20C 700 × 23C 700 × 25C 700C Tubular 700 × 28C 700 × 30C 700 × 32C 700 × 35C 700 × 38C 700 × 40C 700 × 44C 700 × 45C 700 × 47C Wheel Circumference (mm) 2090 2105 2125 2070 2080 2086 2096 2105 2130 2136 2146 2155 2168 2180 2200 2235 2242 2268 Symbol Definitions These symbols may appear on the device or accessory labels. WEEE disposal and recycling symbol. The WEEE symbol is attached to the product in compliance with the EU directive 2012/19/EU on Waste Electrical and Electronic Equipment (WEEE). It is intended to deter the improper disposal of this product and to promote reuse and recycling. Appendix 45

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Males
Watts per Kilogram (W/kg)
Fair
From 2.23 to 2.78
Untrained
Less than 2.23
Females
Watts per Kilogram (W/kg)
Superior
4.30 and greater
Excellent
From 3.33 to 4.29
Good
From 2.36 to 3.32
Fair
From 1.90 to 2.35
Untrained
Less than 1.90
FTP ratings are based on research by Hunter Allen and Andrew
Coggan, PhD,
Training and Racing with a Power Meter
(Boulder, CO: VeloPress, 2010).
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
27 × 1-1/4
2161
27 × 1-3/8
2169
29 x 2.1
2288
29 x 2.2
2298
29 x 2.3
2326
650 x 20C
1938
650 x 23C
1944
Tire Size
Wheel Circumference (mm)
650 × 35A
2090
650 × 38B
2105
650 × 38A
2125
700 × 18C
2070
700 × 19C
2080
700 × 20C
2086
700 × 23C
2096
700 × 25C
2105
700C Tubular
2130
700 × 28C
2136
700 × 30C
2146
700 × 32C
2155
700 × 35C
2168
700 × 38C
2180
700 × 40C
2200
700 × 44C
2235
700 × 45C
2242
700 × 47C
2268
Symbol Definitions
These symbols may appear on the device or accessory labels.
WEEE disposal and recycling symbol. The WEEE symbol is
attached to the product in compliance with the EU directive
2012/19/EU on Waste Electrical and Electronic Equipment (WEEE).
It is intended to deter the improper disposal of this product and to
promote reuse and recycling.
Appendix
45