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HJC Helmet Size Conversion Chart † †
Size Centimeter Hat Size Inches
XXS 51-52 6 3/8 - 6 1/2 20- 20 1/2
XS 53-54 6 5/8 - 6 3/4 20 7/8 - 21 1/4
S 55-56 6 7/8 - 7 21 5/8 - 22
M 57-58 7 1/8 - 7 1/4 22 1/2 - 22 7/8
L 59-60 7 3/8 - 7 1/2 23 1/4 - 23 5/8
XL 61-62 7 5/8 - 7 3/4 24 - 24 3/8
XXL 63-64 7 7/8 - 8 24 3/4 - 25 1/4
XXXL 65-66 8 1/8 - 8 1/4 25 5/8 - 26
XXXXL 67-68 8 3/8 - 8 1/2 26 3/8 - 26 3/4
XXXXXL 69-70 8 3/4 - 8 3/4 27 1/4 - 27 5/8
Youth S 49-50 6 1/8 - 6 1/4 19 1/4 - 19 3/4
Youth M 51-52 6 3/8 - 6 1/2 20 - 20 1/2
Youth L 53-54 6 5/8 - 6 3/4 20 7/8 - 21 1/4
Youth S/M 49-50 6 1/8 - 6 1/4 19 1/4 - 19 3/4
Youth L/XL 51-52 6 3/8 - 6 1/2 20 - 20 1/2
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HJC Motorsports 2AM AR-10 II HX-10 II SI-12 FI-10 HELMET AMBER SHIELD HJC Motorsports 2BL AR-10 II HX-10 II SI-12 FI-10 HELMET BLUE SHIELD HJC Motorsports 2BL10 AR-10 II HELMET RUBBERTONE BLACK LARGE (LRG)
HJC Motorsports 2BM10 AR-10 II HELMET RUBBERTONE BLACK MEDIUM (MED) HJC Motorsports 2BS10 AR-10 II HELMET RUBBERTONE BLACK SMALL (SML) HJC Motorsports 2BXL10 AR-10 II HELMET RUBBERTONE BLACK EXTRA LARGE (XLG)
HJC Motorsports 2BXS10 AR-10 II HELMET RUBBERTONE BLACK EXTRA SMALL (XSM) HJC Motorsports 2BXXL10 AR-10 II HELMET RUBBERTONE BLACK EXTRA EXTRA LARGE (XXL) HJC Motorsports 2CL AR-10 II HX-10 II SI-12 FI-10 HELMET CLEAR SHIELD
HJC Motorsports 2DA AR-10 II HX-10 II SI-12 FI-10 HELMET DARK SMOKE SHIELD HJC Motorsports 2GR AR-10 II HX-10 II SI-12 FI-10 HELMET GREEN SHIELD HJC Motorsports 2LCP AR-10 II HX-10 II HELMET CHEEK PAD LARGE (LRG) (SET)
HJC Motorsports 2LHL AR-10 II HX-10 II HELMET CROWN PAD LARGE HJC Motorsports 2MCP AR-10 II HX-10 II HELMET CHEEK PAD MEDIUM (MED) (SET) HJC Motorsports 2MHL AR-10 II HX-10 II HELMET CROWN PAD MEDIUM
HJC Motorsports 2PK AR-10 II HX-10 II HELMET PIVOT KIT HJC Motorsports 2SCP AR-10 II HX-10 II HELMET CHEEK PAD SMALL (SET) HJC Motorsports 2SHL AR-10 II HX-10 II HELMET CROWN PAD SMALL
HJC Motorsports 2SL AR-10 II HX-10 II SI-12 FI-10 HELMET SILVER SHIELD HJC Motorsports 2WL10 AR-10 II HELMET WHITE LARGE (LRG) HJC Motorsports 2WM10 AR-10 II HELMET WHITE MEDIUM (MED)
HJC Motorsports 2WS10 AR-10 II HELMET WHITE SMALL (SML) HJC Motorsports 2WXL10 AR-10 II HELMET WHITE EXTRA LARGE (XLG) HJC Motorsports 2WXS10 AR-10 II HELMET WHITE EXTRA SMALL (XSM)
HJC Motorsports 2WXXL10 AR-10 II HELMET WHITE EXTRA EXTRA LARGE (XXL) HJC Motorsports 2XLCP AR-10 II HX-10 II HELMET CHEEK PAD EXTRA LARGE (XLG) (SET) HJC Motorsports 2XLHL AR-10 II HX-10 II HELMET CROWN PAD EXTRA LARGE
HJC Motorsports 2XSCP AR-10 II HX-10 II HELMET CHEEK PAD EXTRA SMALL XS (SET) HJC Motorsports 2XSHL AR-10 II HX-10 II HELMET CROWN PAD EXTRA SMALL (XS) HJC Motorsports 2XXLCP AR-10 II HX-10 II HELMET CHEEK PAD EXTRA EXTRA LARGE (XXL) (SET)
   
 
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