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PowerTap Wheel Circumference Chart
Tire Size Circumference Tire Size Circumference
26 x 1.0 1913 700C tubular 2094
26 x 1.25 1953 700 x 20C 2084
26 x 1.5 1986 700 x 23C 2096
26 x 2.0 2055 700 x 25C 2108
26 x 2.125 2070 700 x 28C 2116