/ SIZE GUIDE
SIZE GUIDE
INNER DIAMETER MM
INNER CIRCUMFERENCE MM
US
TW
EU
JP
HK
14.1
44.2
3
6
48
4
6
14.5
45.5
3.5
6.5
48.5
6
7
14.9
46.8
4
7
49
7
9
15.3
48
4.5
8
49
8
9
15.7
49.3
5
9
51
9
11
16.1
50.6
5.5
10
52
10
12
16.5
51.9
6
11
53
11
13
16.9
53.1
6.5
12
54
-
14
17.3
54.4
7
13
55
14
15
17.7
55.7
7.5
13.5
-
15
-
18.1
57
8
14
56
16
18
18.5
58.3
8.5
15
-
17
19
19
59.5
9
16
57
18
20
19.4
60.8
9.5
16.5
58
19
22
19.8
62.1
10
17
59
20
22
20.2
63.4
10.5
17.5
60
22
23
20.6
64.6
11
18
-
23
25
21
65.9
11.5
20
61
24
26
21.4
67.2
12
20.5
62
25
27
21.6
68.5
12.5
21
-
-
-
Sizes on this site are US. AXIS pieces come in one size only and cannot be resized.