A Considered Choice｜HJC RPHA 12N Respon Helmet｜ Other Products

The RPHA 12N Helmet combines advanced aerodynamics, lightweight PIM EVO construction, and premium comfort for high-performance riding. Its optimized shell, rear spoiler, and HJ-42 curved shield help reduce lift, drag, wind noise, and improve stability at speed. With a fully removable interior, interchangeable cheek pads, emergency pull tab, and DOT FMVSS 218 / ECE 22.06 certification, it delivers the ideal balance of comfort, safety, and performance.

Features:

Making a great helmet even better, the RPHA 12N makes small improvements everywhere, adding a 4th shell and ECE 22.06 to the RPHA 11 predecessor
Premium Integrated Matrix EVO (PIM EVO) shell
4 unique shell sizes: XS-SM, MD, LG, XL-2XL
5 EPS liners
Optimized aerodynamic performance for reduced lift and drag for enhanced stability
Optimized rear spoiler
Aerodynamic focused shell shape
HJ-42 race style flat face shield with anti-fog Pinlock lens insert included
Race tear-off ready (sold separately)
Includes both clear and dark smoke shield
2-Way pivot ratchet system provides improved sealing
Maximum air intake: 4 intake vents and 3 exhausts
Enlarged front intake for maximum defogging 
Enlarged speaker pockets
Fully removable interior with all size interchangeable cheek pads
Emergency cheek pad release
DOT and ECE 22.06 approved

Note: Ships with both clear and dark smoke face shields.
HJC Helmet Size Chart
RPHA 12N

Centimeters
Inches
Hat Size

XS
54 - 55
21 1/4” - 21 5/8”
6 3/4 - 6 7/8

S
55 - 56
21 5/8” - 22”
6 7/8 - 7

M
57 - 58
22 1/4” - 22 7/8”
7 1/8 - 7 1/4

L
58 - 59
23 1/4” - 23 5/8”
7 1/4 - 7 3/8

XL
60 - 61
23 5/8” - 24”
7 1/2 - 7 5/8

2XL
62 - 63
24 3/8” - 24 3/4”
7 3/4 - 7 7/8

HJC Helmet Size Chart
RPHA 12N — Interior

Size (cm)
Cheek Pads (mm)
Liner (mm)

XS
54 - 55
30
12

S
55 - 56
30
12

M
57 - 58
30
12

L
58 - 59
25
9

XL
60 - 61
30
9

2XL
62 - 63
25
7

 
Brand:HJCSKU:0873-2605-03COLOR:Black/White, Blue/White, Matte OrangeSIZE:XS, Small, Medium, Large, XL, XXL