THE OPTIMAL SHOE / PEDAL INTERFACE we analyzed outsole profiles from the top mountain bike shoe brands and discovered two distinct surface areas to optimize the shoe/pedal interface for the entire range of shoe sizes
shoe size
5 37
6 38
7 39
8 40
9 41
10
42
11
43
44
STAMP SMALL
12 45
13 46
14 47
15 48
49
STAMP LARGE
width mm avg width: 101 mm
avg width: 111 mm
97 98 99 100 101 102 103 104 105 106
107 108 109 110 111 112 113 114 115 116
avg surface: 100 cm2
avg surface: 126 cm2
90 92 94 96 98 100 102 104 106 108 110 112
114 116 118 120 122 124 126 128 130 132
surface cm 2
*indicative numbers based on averages, may vary by brand and model
shoe size