Sprinter’s King running foot is manufactured with prepreg carbon fiber textiles on autoclave cycle as aeronautical field
Fixing Bracket is manufactured on aluminum alloy CNC working
Sprinter’s King sizes I and II
| Code | 1.001.01.I.S | 1.001.01.I.H | |
| Size | I | ||
|---|---|---|---|
| Category | Soft | Hard | |
| Shoe number | 30-33 | ||
| User’s range height | 150-160 | ||
| Weight range |
40-60 |
60-90 | |
| Ground-Foot’s apex distance | 325-390 | ||
| Foot’s apex distance to the vertical axis | 46-90 | ||
| Code | 1.001.01.II.S | 1.001.01.II.H | |
| Size | II | ||
|---|---|---|---|
| Category | Soft | Hard | |
| Shoe number | 34-37 | ||
| User’s range height | 160-170 | ||
| Weight range |
45-65 |
65-100 | |
| Ground-Foot’s apex distance | 365-440 | ||
| Foot’s apex distance to the vertical axis | 53-65 | ||
Sprinter’s King sizes III and IV
| Code | 1.001.01.III.S | 1.001.01.III.H | |
| Size | III | ||
|---|---|---|---|
| Category | Soft | Hard | |
| Shoe number | 38-41 | ||
| User’s range height | 170-180 | ||
| Weight range |
45-70 |
70-110 | |
| Ground-Foot’s apex distance | 59-75 | ||
| Foot’s apex distance to the vertical axis | 46-90 | ||
| Code | 1.001.01.III.H | 1.001.01.IV.S | |
| Size | IV | ||
|---|---|---|---|
| Category | Soft | Hard | |
| Shoe number | Over 42 | ||
| User’s range height | Over 180 | ||
| Weight range |
60-80 |
80-120 | |
| Ground-Foot’s apex distance | 450-540 | ||
| Foot’s apex distance to the vertical axis | 65-90 | ||
Sprinter’s King characteristics
Testing video by Politecnico, Engineering University of Milan
TESTING
Sprinter’s King Athletes
Addis Abeba Marathon 2012
NAIROBI MARATHON
2017
DEEJAY TEN
Firenze - 2007