Sierra Electronics
"Motorcycle Audio Store"
   
 
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Copyright © 2007
Sierra Electronics

 

  

registered Arai dealer

Arai Sizing Chart

            Head Measurement Helmet Size
                       20 1/4 " - 20 7/8" X-small (6 1/2 - 6 5/8)
                       21" - 21 5/8" Small (6 3/4 - 6 7/8)
                       21 3/4 " - 22 3/8" Medium (7 - 7 1/8)
                       22 1/2 " - 23 1/8" Large (7 1/4 - 7 3/8)
                       23 1/4 " - 24" X-large (7 1/2 - 7 5/8)
                       24 1/8 " - 24 7/8" XX-large (7 3/4 - 7 7/8)
                       25 " - 25 3/8" XXX-large (8 - 8 1/8)

Free Ground Shipping in Continental US for  orders over $199

 
Contact Us
800-338-6938
937-335-8939 
sales@sierra-mc.com
 
 Store Hours
M-Fri  9 to 5:30
Sat. 9 to 5
Sunday Closed