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