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0100-1989

HJC Carbon RPHA 90S Modular Helmet

Size Guide
HJC Helmet Sizing Chart

Helmet Size Convention Chart

This size chart is only for reference. Always try the helmet on and follow this manual’s instructions for a proper fit.

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
2XL 63 – 64 7 7/8 – 8 24 3/4 – 25 1/4
3XL 65 – 66 8 1/8 – 8 1/4 25 5/8 – 26
4XL 67 – 68 8 3/8 – 8 1/2 26 3/8 – 26 3/4
5XL 69 – 70 8 3/4 – 8 3/4 27 1/4 – 27 5/8

 

RPHA Series, FG-Jet, FG-17 Size Chart
SIZE CENTIMETER HAT SIZE INCHES
XS 54-55 6 3/4 – 6 7/8 21 1/4 – 21 5/8
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 58-59 7 1/4 – 7 3/8 23 7/8 – 23 1/4
XL 60-61 7 1/2 – 7 5/8 23 5/8 – 24
2XL 62-63 7 3/4 – 7 7/8 24 3/8 – 24 3/4
3XL 64-65 8 – 8 1/8 25 1/4 – 25 5/8

 

CL-17 & CL-17 Plus
SIZE CENTIMETER HAT SIZE INCHES
XS 54-55 6 3/4 – 6 7/8 21 1/4 – 21 5/8
S 56-57 7 – 7 1/8 22 – 22 1/2
M 58-59 7 1/4 – 7 1/8 22 7/8 – 23 1/4
L 60-61 7 1/2 – 7 5/8 23 5/8 – 24
XL 62-63 7 3/4 – 7 7/8 24 3/8 – 24 3/4
2XL 63-64 8 – 8 1/8 25 1/4 – 25 5/8
3XL 65-66 8 1/8 – 8 1/4 25 5/8 – 26
4XL 67-68
8 3/8 – 8 1/2
26 3/8 – 26 3/4
5XL 69-70
8 3/4 – 8 3/4
27 1/4 – 27 5/8
Youth Size
SIZE CENTIMETER HAT SIZE INCHES
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 XL 55-56 6 7/8 – 7 21 5/8 – 22

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HJC Carbon RPHA 90S Modular Helmet

Features

  • Dual Homologation (P/J)
  • Sun Visor with Wider-Vision: Better peripheral vision, helps to reduce eye strain and excellent sun light blocking
  • Anti-Fog and Anti-Scratch
  • Full Metal Micro Buckle System: High durability 100% stainless steel. HJC’s new fastening system with extra strength
  • Low-noise Interior: 3D-engineered, ergonomic interior is focused to reduce noise significantly
  • A. . . Show More >

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