Size Guide

Rings

 

Diameter Circumference Size
15.9 mm 50 mm 10
16.5 mm 52 mm 12
17.2 mm 54 mm 14
17.5 mm 55 mm 15
17.8 mm 56 mm 16
18.1 mm 57 mm 17
18.4 mm 58 mm 18
18.8 mm 59 mm 19
19.1 mm 60 mm 20
19.7 mm 62 mm 22
20.3 mm 64 mm 24
21 mm 66 mm 26