Worth Exploring｜HJC RPHA 1N V2 Carbon Funky Diablo Helmet｜ Other Products

The RPHA 1N 2 Carbon Funky Diablo delivers ultra lightweight race performance with MotoGP-driven aerodynamics and bold carbon styling.

TECH SPECS

Carbon fiber outer shell
Pinlock-ready HJ-35 visor with 99% UV protection and dual-locking mechanism
Tool-less visor replacement with tear-off compatibility
Anti-bacterial interior with moisture-wicking, quick-drying comfort
Interchangeable cheek pads across all sizes
Integrated speaker pockets for Bluetooth communication systems
Includes dark smoke rear racing spoiler, dark smoke shield, Pinlock lens insert, and tear-off film
Standards: FIM approved, DOT, and ECE 22.06

DESCRIPTION
The HJC RPHA 1N 2 Carbon is engineered for riders who demand race-level performance with minimal weight. Designed to meet the needs of professional competition, this helmet blends advanced carbon fiber construction with a refined, track-focused fit built to perform at speed. Every detail reflects HJC’s top-tier racing development, delivering a helmet that feels purpose-built the moment you put it on.Out of the box, the RPHA 1N 2 Carbon comes equipped with race-ready components and a comfort-focused interior designed to support long, high-intensity sessions. From its precision fit to its competition-driven design, it’s a helmet created for riders who expect uncompromising performance every time they ride.

AERODYNAMIC PERFORMANCE

Designed using MotoGP rider data, the shell profile and vent placement are refined for stability and control at high speeds. The carbon fiber construction provides ultra-lightweight strength while reducing fatigue during aggressive riding and extended track sessions.

SUPERIOR VENTILATION
HJC’s Advanced Channeling Ventilation System delivers consistent airflow through five intake ports and four exhaust vents. This front-to-back airflow efficiently evacuates heat and humidity, helping maintain comfort and focus during high-intensity riding.

VISOR SYSTEM

The Pinlock-ready HJ-35 visor provides clear visibility with 99% UV protection and an anti-scratch coating, and includes the Pinlock® HJ-35 Lens Insert (DKS417) for added fog resistance. An enhanced dual-locking mechanism improves security at speed, while tear-off posts and a tool-less quick-attach system allow fast visor changes.
 

SAFETY
The carbon fiber shell is engineered for ultra-lightweight strength and shock resistance, meeting DOT and ECE 22.06 certification standards. FIM approval confirms the helmet’s readiness for professional racing competition. An emergency cheek pad release system allows for quick and safe helmet removal, while integrated speaker pockets support Bluetooth communication without compromising safety.  

HJC Helmet Size Chart
RPHA 1N v2 Carbon

Centimeters
Inches
Hat Size

2XS
53 - 54
20 7/8” - 21 1/4”
6 5/8 - 6 3/4

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 1N v2 Carbon — Interior

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

2XS
53 - 54
40
9

XS
54 - 55
35
12

S
55 - 56
40
9

M
57 - 58
35
12

L
58 - 59
40
12

XL
60 - 61
40
12

2XL
62 - 63
30
7
Brand:HJCSKU:0809-2908-03COLOR:Red/BlackSIZE:XS, Small, Medium, Large, XL, XXL