QIWU iGPSPORT iGS620 User Manual page 14

Please enter the BIKE menu, choose the selected bike, set the circumference, save, and exit as
below:
Common wheel size and circumference:
Wheel Size
12 × 1.75
14 × 1.5
14 × 1.75
16 × 1.5
16 × 1.75
18 × 1.5
18 × 1.75
20 × 1.75
20 × 1-3/8
22 × 1-3/8
22 × 1-1/2
L (mm) Wheel Size
935 27 × 1
1020 27 × 1-1/8
1055 27 × 1-1/4
1185 27 × 1-3/8
1195 27.5 x 1.50
1340 27.5 x 1.95
1350 27.5 x 2.1
1515 27.5 x 2.25
650C Tubular26 x
1615
7/8
1770 650 x 20C
1785 650 x 23C
14/48
L (mm)
2145
2155
2161
2169
2079
2090
2148
2182
1920
1938
1944