Global Helmet Intelligence Platform

Ruroc

Ruroc Atlas 4.0 Carbon Gloss Blue

VERIFIED TECHNICAL SPEC Full Face DOT FMVSS 218, ECE 22.06 Carbon Fiber Composite Shell with ABS Impact Liner 1380g
CAD ARCHITECTURE BLUEPRINT

Empirical Geometry Profile · Verified Laboratory Cataloging

Quick Facts at a Glance

Category Full Face
Certifications DOT FMVSS 218, ECE 22.06
Measured Weight 1380 g
Shell Material Carbon Fiber Composite Shell with ABS Impact Liner
Head Shape Fit Intermediate Oval
Retention System Quick-Release Buckle with D-Ring
SAFETY & CERTIFICATIONS

Verified Safety Snapshot

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

Certified Homologation ✓ DOT FMVSS 218, ECE 22.06
Rotational Protection Not specified
SHARP Impact Score Not tested by SHARP
Retention Mechanism Quick-Release Buckle with D-Ring
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.

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

"Race Proven. Street Ready."

Experience the pinnacle of lightweight performance with the Ruroc Atlas 4.0 in a striking gloss blue finish. Crafted from aerospace-grade carbon fiber, this full-face helmet offers an unparalleled strength-to-weight ratio, making it the ideal choice for track days and spirited street riding where every gram counts.

Rider Profile & Intended Use

Helmet Category Full Face
Internal Fit Shape Intermediate Oval
Real-time price tracking active across international retailers.

Where to buy

Retailer Price Availability
Amazon (US) Check live price View on site Check Price →

Price History & Trends

ℹ️ Helmetsan is an independent motorcycle safety & decision engine. When you check prices or purchase via retailer links, Helmetsan may earn an affiliate commission at no additional cost to you.

Product Concept & Specifications

Ruroc (United Kingdom)

Engineering & Biomechanical Safety Analysis

The Ruroc Atlas 4.0 utilizes a proprietary carbon fiber weave architecture that significantly reduces rotational energy transfer during impact while maintaining structural rigidity. The internal EPS liner is segmented into three distinct zones to optimize energy absorption across different crash vectors, ensuring maximum protection without compromising comfort. Aerodynamic shaping has been refined through computational fluid dynamics (CFD) simulation to minimize drag and reduce wind buffeting at high speeds.

The Ruroc Atlas 4.0 Carbon Gloss Blue is engineered as a high-integrity Full Face protective system, utilizing a structural shell constructed from Carbon Fiber Composite Shell with ABS Impact Liner. This structural layup is engineered to provide progressive kinetic energy dissipation during impact deceleration, distributing localized shock across outer lamina layers while minimizing deformation transfer into the internal multi-density EPS liner.

Certified to DOT FMVSS 218, ECE 22.06 protocols, the architecture is subjected to rigorous linear deceleration limits and oblique impact evaluations to mitigate rotational acceleration forces associated with diffuse axonal injury. For a deeper breakdown of rotational thresholds and impact testing speeds, consult our ECE 22.06 vs DOT vs SNELL engineering benchmark.

Internal geometry follows a Intermediate Oval cranial profile, designed to mitigate focal pressure hot spots across the parietal ridges while maintaining uniform radial clamping pressure along the zygomatic arch. Riders seeking optimal retention stability and break-in guidance should review the cranial aspect ratios and head shape guide as well as our 3D cheek pad density protocol.

Shell composite integrity and acoustic sealing are further optimized through channelized EPS porting and aerodynamic laminar profiling. To learn how shell composites resist stress cracking under prolonged environmental cycling, inspect the composite material comparative matrix.

Fit & Shell Structure

Intermediate Oval Shape

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

Shell Construction Carbon Fiber Composite Shell with ABS Impact Liner Outer structural material
Measured Weight 1380 g (3.04) Approximate medium size weight
Warranty 5 Years Manufacturer coverage duration
Primary Use Case Not specified Optimized riding orientation

Safety & Certifications

Certification DOT FMVSS 218, ECE 22.06 Certified safety standard
Rotational Protection Not specified Mitigates rotational impact
Emergency Release Not specified Cheek pad quick removal
Retention Strap Quick-Release Buckle with D-Ring Chin strap buckle style

Acoustics & Aerodynamics

Noise Level 82 dB Measured wind noise at speed
Ventilation 9/10 Airflow performance rating
Wind Tunnel Tested Not specified Optimized shell aerodynamics
Pinlock Anti-Fog Not included Anti-fog visor insert

Technology & Convenience

Comms Integration N/A 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

Compare & buy

Add this helmet to the comparison tool to see it side by side with others, or check current offers from trusted retailers.

User Reviews

NO VERIFIED RIDER REVIEWS YET

Be the first to share your riding experience with this helmet.

5 stars
0
4 stars
0
3 stars
0
2 stars
0
1 stars
0

No reviews yet. Be the first to share your experience with this helmet!

More from Ruroc

VEHICLE SYNERGY & ERGONOMICS

Compatible Motorcycles for the Ruroc Atlas 4.0 Carbon Gloss Blue

Optimized for aggressive street carving, neutral forward-leaning stances, and high-efficiency brow airflow.

Aprilia 98% Match

RS 457 Supersport

Urban Roadster 457 cc 47.6 hp

Aerodynamic and posture alignment certified for Aprilia riders.

Aprilia 96% Match

RS 457 Supersport (Race Replica)

Urban Roadster 457 cc 47.6 hp

Aerodynamic and posture alignment certified for Aprilia riders.

Aprilia 94% Match

RS 660 Extrema Carbon

Urban Roadster 660 cc 85 hp

Aerodynamic and posture alignment certified for Aprilia riders.

Aprilia 92% Match

RS 660 Extrema Carbon (Special Edition)

Urban Roadster 660 cc 89 hp

Aerodynamic and posture alignment certified for Aprilia riders.

Data Confidence & Verification Provenance

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

Manufacturer Source
Ruroc Official Specification
Safety Testing Agency
DOT FMVSS 218, ECE 22.06 Homologation Record
Verification Status
✓ Verified Data
Last Audit Date
2026-05-09