HELMET & APPAREL BOLD MAGENTA part numbers are new for 2026 PARTS-UNLIMITED.COM 2026 | HELMET & APPAREL UPDATE DUAL SPORT HELMETS SEE PAGE 6 FOR AN IMPORTANT SAFETY WARNING 424 SIZE HAT SIZE INCHES CENTIMETERS XXXS 6 1/4 - 6 3/8 19 3/4 - 20 1/8 50 - 51 XXS 6 3/8 - 6 1/2 20 - 20 1/2 52 - 53 XS 6 5/8 - 6 3/4 20 7/8 - 21 1/4 54 - 55 S 6 7/8 - 7 21 5/8 - 22 55 - 56 M 7 1/8 - 7 1/4 22 1/4 - 22 7/8 57 - 58 L 7 3/8 - 7 1/2 23 1/4 - 23 5/8 58 - 59 SIZE HAT SIZE INCHES CENTIMETERS XL 7 5/8 - 7 3/4 24 - 24 3/8 60 - 61 2X 7 7/8 - 8 24 3/4 - 25 1/4 62 - 63 3X 8 1/8 - 8 1/4 25 5/8 - 26 64 - 65 4X 8 3/8 - 8 1/2 26 3/8 - 26 3/4 66 - 67 5X 8 3/4 - 8 3/4 27 1/4 - 27 5/8 68 - 69 HJC HELMET SIZE GUIDE SIZE (C) WHITE (D) SILVER (E) SEMI-FLAT ANTRHACITE (F) BLACK (G) SEMI-FLAT BLACK XS 0140-0636 - 0140-0638 0140-0639 0140-0644 S - 0140-0637 - 0140-0640 0140-0645 M - - - 0140-0641 0140-0646 L - - - 0140-0642 - 2X - - - 0140-0643 0140-0647 SYNERGY SIZE (A) SEMI-FLAT OLIVE/ORANGE (B) SEMI-FLAT BLACK/SILVER S - 0140-0651 M 0140-0648 0140-0652 SIZE (A) SEMI-FLAT OLIVE/ORANGE (B) SEMI-FLAT BLACK/SILVER L 0140-0649 0140-0653 XL 0140-0650 0140-0654 DS-X1 •Advanced polycarbonate shell is lightweight and features a superior fit and comfort using advanced CAD technology • SuperCool® moisture-wicking interior that is antibacterial, removable and washable • Advanced Channeling Ventilation System (ACS) features full front-to-back airflow that flushes heat and humidity up and out •Converts from shield/visor to visor-only •Large eyeport for maximum visibility and superior goggle fit •Pinlock®-prepared HJ-27 shield •Wind tunnel-tested aerodynamic visor and shell •Chin curtain included •Glasses groove can accommodate riders who wear glasses •Double D-ring chin strap •See helmet size chart below before ordering •DOT certified B A C D E F G
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