So I bought one of those 12 function bike computers made by schwinn. My tires are 26x2.3. So what should my wheel factor be. It says to multiply the wheel diameter in milimeters by 3.1416. I gave the chart below but I want it as accurate as possible.

Thanks in advance!!!



Schwinn Bike Computer Wheel Size numbers
Wheel Diameter Number
20" 1596
22" 1759
24" 1916
26" (650A) 2073
26.5" (Tubular) 2117
26.6" (700x25C) 2124
26.8" (700x28C) 2136
27" (700x32C) 2155
28" (700B) 2237

w/ tire
ATB 24X1.75 1888
ATB 26x1.4 1995
ATB 26x1.5 2030
ATB 26x1.75 2045
ATB 26x2 (650B) 2099
27x1 2136
27x1 1/4 2155