SIZE CHART

Canada & USA Diameter (mm) Europe UK & Australia
3 14.1 44 F
3.5 14.5 45.5 G
4 14.9 47 H
4.5 15.3 48 I
5 15.7 49 J ½
5.5 16.1 50.5 K ½
6 16.5 52 L ½
6.5 16.9 53 M ½
7 17.3 54.5 N ½
7.5 17.8 56 O ½
8 18.2 57 P ½
8.5 18.6 58.5 Q ½
9 19 60 R ½
9.5 19.4 61 S ½
10 19.8 62 T ½
10.5 20.2 63.5 U ½
11 20.6 65 V ½
11.5 21.1 66 W ½
12 21.5 67.5 X ½
12.5 21.9 69 Z
13 22.3 70 Z1
13.5 22.7 71.5 Z2
14 23.1 72.5 Z3