PowerTap Cervo 2.4 Pro - Manual (Page 22)

24 x1.0
26 x1.0
26 x1.25
26 x1.5
26 x 2.0
26 x 2.125
27 x1.0
27 x1.125
1753
1913
1953
1986
2055
2070
2125
2139
27 x 1.25
700C tubular
700 x 20C
700 x 23C
700 x 25C
700 x 28C
700 x 32C
700 x 38C
2152
2094
2084
2096
2108
2116
2136
2170
Wheel Circumferences
Tire Size Circ.(mm) Tire Size Circ.(mm)
Std
1
CI
2096
Std
1
MI
22
8) Press [SELECT] to toggle through digit values to set the wheel
circumference. Press [MODE] to save. Refer to TABLE 4 for common
tire information. NOTE: For the most accurate reading perform a
roll out measurement (mm) of the rear wheel.
TABLE 4 - Common Wheel Circumferences
9) Press [SELECT] to select English or Metric units. Press [MODE] to
save.