Shoei 2007: Helmet Sizing Guide from Sportbike Track Gear 1-888-784-4327 This information is supplied by the manufacturer and or distributor. Sportbiketrackgear.com is not responsible for the accuracy of this guide.

  Shoei Helmet Sizing Guide from Sportbike Track Gear 1-888-784-4327
HAT SIZE:
6 3/8 - 6 1/2
6 5/8 - 6 3/4
6 7/8 - 7
7 1/8 - 7 1/4
7 3/8 - 7 1/2
7 5/8 - 7 3/4
7 7/8 - 8
8 1/8 - 8 1/4
CM:
51 - 52
53-54
55 - 56
57 - 58
59 - 60
61 - 62
63 - 64
65 - 66
IN:
20 1/8 - 20 1/2
20 7/8 - 21 1/4
21 5/8 - 22
22 1/2 - 22 7/8
23 1/4 - 23 5/8
24 - 24 3/8
24 3/4 - 25 1/8
25 5/8 - 26