Global Helmet Intelligence Platform

Shoei · RF-1400

Shoei RF-1400 Helmet

VERIFIED TECHNICAL SPEC Full Face DOT, Snell M2020 Fiberglass 1640g

Quick Facts at a Glance

Category Full Face
Certifications DOT, Snell M2020
Measured Weight 1640 g
Shell Material Fiberglass
Head Shape Fit Intermediate Oval
Retention System Not verified
SAFETY & CERTIFICATIONS

Verified Safety Snapshot

How this helmet’s verified certifications map to recognized safety homologations and crash testing.

Certified Homologation ✓ DOT, Snell M2020
Rotational Protection Not specified
SHARP Impact Score Not tested by SHARP
Retention Mechanism Not verified
Emergency Release System Not specified

Safety standards compliance is based on official manufacturer documentation and public safety laboratory test results. Always verify regional compliance labels on the physical helmet prior to use.

FIT & SIZING

Verified Fit & Sizing Guide

Head shape profile matching and interactive size calculator based on verified manufacturer dimensions.

Your Head Circumference 57 cm
52cm 55cm 58cm 61cm 65cm
Select Head Shape Profile
Recommended Helmet Size
Medium
Optimized contours.
Perfect for standard intermediate head profiles.

Designed for intermediate oval head shapes; features a wide visor opening and adjustable cheek pads for comfort.

How to measure

Wrap a cloth measuring tape around your head just above your eyebrows and ears. Pull the tape comfortably snug, read the length, and repeat for consistency.

Design Concept & Background

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Experience the pinnacle of touring evolution with the Shoei RF-1400, a full-face helmet engineered for the modern adventurer. This masterpiece combines aggressive styling with unparalleled comfort, featuring a sleek, low-drag profile that slices through the air while keeping noise levels manageable on long rides. Inside, the advanced X-Core Shell and multi-density EPS liner provide military-grade safety without compromising on weight, ensuring you stay agile mile after mile. The integrated sun visor offers instant shade adjustment, and the superior ventilation system keeps your head cool even in the harshest conditions. Whether you are carving through mountain passes or cruising coastal highways, the RF-1400 delivers a perfect harmony of style, performance, and protection, making it the ultimate choice for serious riders who refuse to settle for less.

Key Highlights:

Advanced Integrated Matrix Plus (AIM+) shell Multi-layered EPS liner for impact absorption Adjustable ventilation system with exhaust ports Moisture-wicking interior liners Pinlock MaxVision included DOT and Snell M2020 certification 5-year warranty

Rider Profile & Intended Use

Riding Style Touring
Helmet Category Full Face
Internal Fit Shape Intermediate Oval
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Price History & Trends

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Product Concept & Specifications

Shoei (Japan)

Engineering & Technical Analysis

The RF-1400 utilizes Shoei's proprietary X-Core Shell Technology and a multi-density EPS liner to balance extreme impact protection with lightweight agility. Its internal design features an extended rear rim for enhanced neck support, while the aerodynamic fairing significantly reduces wind buffeting at highway speeds.

Fit & Shell Structure

Intermediate Oval Shape

Balanced oval fit: standard ergonomic curvature fitting 80%+ of riders.

Shell Construction Fiberglass Outer structural material
Measured Weight 1640 g (3.62) Approximate medium size weight
Warranty 2 Manufacturer coverage duration
Primary Use Case Touring Optimized riding orientation

Safety & Certifications

Certification Snell M2020, DOT Certified safety standard
Rotational Protection Multi-layered EPS liner Mitigates rotational impact
Emergency Release Not specified Cheek pad quick removal
Retention Strap Double D-Ring Chin strap buckle style
SHARP Impact Rating 5/5 Verified SHARP UK impact test score

Acoustics & Aerodynamics

Noise Level 82 dB Measured wind noise at speed
Ventilation 8/10 Airflow performance rating
Wind Tunnel Tested Not specified Optimized shell aerodynamics
Pinlock Anti-Fog Not included Anti-fog visor insert

Technology & Convenience

Comms Integration Sena SRL2 compatible Intercom cutout availability
Glasses Friendly Not specified Inner lining eyewear grooves
Visor System Not verified Integrated drop-down sun visor
Removable Interior Not verified Washable lining modules

Regional Legality & Compliance

🇺🇸 US Street Legal
Required: DOT

Meets US safety standards

🌐 CA Street Legal
Required: DOT, CSA

Meets Canadian safety standards

🇬🇧 UK Compliant
Required: ECE 22.05

Meets European safety standards

🌐 AU Street Legal
Required: AS/NZS 1698

Meets Australian safety standards

Regional Legality Guidance

US

Status: Street Legal

Required: DOT

Meets US safety standards

CA

Status: Street Legal

Required: DOT, CSA

Meets Canadian safety standards

UK

Status: Compliant

Required: ECE 22.05

Meets European safety standards

AU

Status: Street Legal

Required: AS/NZS 1698

Meets Australian safety standards

Certification Documents & References

  • Snell M2020 (US) - Snell Memorial Foundation - Reference
  • DOT (US) - US Department of Transportation - Reference
  • ECE 22.05 (EU) - Economic Commission for Europe - Reference
  • CSA (CA) - Canadian Standards Association - Reference
  • AS/NZS 1698 (AU) - Standards Australia - Reference

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More from Shoei

Data Confidence & Verification Provenance

Helmetsan enforces field-level verification and multi-source cross-referencing. Unverified values are explicitly flagged rather than estimated.

Manufacturer Source
Shoei Official Specification
Safety Testing Agency
DOT, Snell M2020 Homologation Record
Verification Status
✓ Verified Data
Last Audit Date
2026-06-19