SIZE CHART
USA / CANADA
|
INSIDE DIAMETER
|
INSIDE CIRCUMFERENCE
|
SMALL
MEDIUM LARGE |
6,5
7,5 8,5 |
16,92 mm
17,73 mm 18,54 mm |
0,666 in
0,689 in 0,73 in |
53.1 mm
55,7 mm 58,3 mm |
2,09 in
2,19 in 2,29 in |