Size Guide

ATTENTION: The sizes shown on our site are US

 

 

USA

ITALY

INTERNAL DIAMETER (mm)

CIRCUMFERENCE (mm)

4

7

14.9

47

5

9

15.6

49

6

11

16.2

51

7

14

17.2

54

8

17

18.1

57

9

20

19.1

60

10

22

19.7

62

11

25

20.6

65

12

27

21.3

67

 

How to measure the internal diameter?

 

If you are undecided between two sizes, we advise you to choose the larger size or ask our experts for support on the number

Whatsapp +39 351 520 9647

          

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