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Moulton (Jacques B)   Back
Front: 56/44/34
Rear: 11-27
LowRatio: 1.26
HighRatio: 5.1
Range: 405%
LowInch: 21
HighInch: 86

This bike has a custom gear cluster. On the trip I had 56/44/34 chainrings and 11,13,14,15,16,17,19,21,23,27 custom cluster (note: big jumps at both high and low ends). Tires are called 369mm,

I use 1340mm circumference to calibrate my computer and get accurate distance measurements. according to google: (1340 mm) / pi = 16.7927263 inches