BOLD MAGENTA part numbers are new for 2025 SEE PAGE 4 FOR AN IMPORTANT SAFETY WARNING PARTS-UNLIMITED.COM 2025 | HELMET & APPAREL OFFROAD HELMETS 150 S-M10 SUPERTECH HELMETS (CONT) SIZE INCHES CENTIMETERS XS 20.8 - 21.2 53 - 54 S 21.6 - 22 55 - 56 SIZE INCHES CENTIMETERS M 22.4 - 22.8 57 - 58 L 23.2 - 23.6 59 - 60 SIZE INCHES CENTIMETERS XL 24 - 24.4 61 - 62 2X 24.8 - 25.2 63 - 64 ALPINESTARS HELMET SIZE CHART • Use to determine U.S. size equivalents when ordering Alpinestars apparel AEON SIZE (B) BRIGHT RED/BLUE GLOSSY XS 0110-8607 S 0110-8608 M 0110-8609 SIZE (B) BRIGHT RED/BLUE GLOSSY L 0110-8610 XL 0110-8611 2X 0110-8612 AMPRESS SIZE (C) BLACK/WHITE MATTE (D) BLACK/YELLOW GLOSSY XS 0110-8613 0110-8619 S 0110-8614 0110-8620 M 0110-8615 0110-8621 SIZE (C) BLACK/WHITE MATTE (D) BLACK/YELLOW GLOSSY L 0110-8616 0110-8622 XL 0110-8617 0110-8623 2X 0110-8618 0110-8624 ERA SIZE (A) GOLD/YELLOW/ RIO RED GLOSSY XS 0110-8601 S 0110-8602 M 0110-8603 SIZE (A) GOLD/YELLOW/ RIO RED GLOSSY L 0110-8604 XL 0110-8605 2X 0110-8606 D C A B
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