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Speed and Strength · SS2400 · Speed and Strength SS2400

Speed and Strength SS2400 Hi-Viz Yellow

VERIFIED TECHNICAL SPEC Full Face DOT Fiberglass 1500g

Quick Facts at a Glance

Category Full Face
Certifications DOT
Measured Weight 1500 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
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.

Hi-Viz yellow shell with matte black accents; fits most head shapes but may feel tight on very large occipital lobes due to aggressive cheek pads.

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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Speed and Strength SS2400 Hi-Viz Yellow is a high-performance Full Face helmet engineered by Speed and Strength to meet high standards of safety and comfort. Inspect its detailed design background and specifications below.

Rider Profile & Intended Use

Riding Style Street
Helmet Category Full Face
Internal Fit Shape Intermediate Oval
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Where to buy

Price History & Trends

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Product Concept & Specifications

Speed and Strength (United States)

Engineering & Technical Analysis

The SS2400 utilizes a multi-density EPS liner engineered to manage impact energy distribution across the intermediate oval head shape. Its aerodynamic shell design minimizes wind buffeting at highway speeds while maintaining structural rigidity through an advanced composite construction.

Fit & Shell Structure

Intermediate Oval Shape

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

Shell Construction Fiberglass Outer structural material
Measured Weight 1500g (3.31) Approximate medium size weight
Warranty 1 Manufacturer coverage duration
Primary Use Case Street Optimized riding orientation

Safety & Certifications

Certification ECE 22.06 Certified safety standard
Rotational Protection 1 Mitigates rotational impact
Emergency Release Not specified Cheek pad quick removal
Retention Strap Double D-Ring Chin strap buckle style
SHARP Impact Rating 8/5 Verified SHARP UK impact test score

Acoustics & Aerodynamics

Noise Level 84 dB Measured wind noise at speed
Ventilation 7/10 Airflow performance rating
Wind Tunnel Tested Not specified Optimized shell aerodynamics
Pinlock Anti-Fog Not included Anti-fog visor insert

Technology & Convenience

Comms Integration Generic Speaker Cutouts 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

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Data Confidence & Verification Provenance

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

Manufacturer Source
Speed and Strength Official Specification
Safety Testing Agency
DOT Homologation Record
Verification Status
✓ Verified Data
Last Audit Date
2026-05-09