Garmin FORERUNNER 245 - Wheel Size and Circumference; Symbol Definitions

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)
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.
Alternating current. The device is suitable for
alternating current.
Direct current. The device is suitable for direct
current only.
Fuse. Indicates a fuse specification or
location.
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.
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
650 × 35A
2090
650 × 38B
2105
650 × 38A
2125
700 × 18C
2070
700 × 19C
2080