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Studds · Sprint D5

Studds Sprint D5 Grau

VERIFIZIERTE TECHNISCHE SPEZIFIKATION Open Face DOT ABS 945g
CAD ARCHITECTURE BLUEPRINT

Empirical Geometry Profile · Verified Laboratory Cataloging

Quick Facts at a Glance

Category Jethelm
Certifications DOT
Measured Weight 945 g
Shell Material ABS
Head Shape Fit Round Oval
Retention System Double D-Ring
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 Double 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

"Safety First"

Studds Sprint mit abnehmbarer Klappvisier-Vollgesichtsmaske.

The Studds Sprint D5 Grau is engineered as a high-integrity Full Face protective system by Studds, utilizing a structural shell constructed from ABS. 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 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, drop-testing velocity, and anvil geometries, consult our engineering guide on ECE 22.06 vs DOT vs SNELL helmet safety standards.

Internal ergonomics follow a Round Oval cranial geometry, sculpted 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 our authoritative cranial aspect ratios and head shape guide as well as the cheek pad density and break-in protocol.

Cabin acoustics and airflow dynamics record an acoustic rating of approximately low-turbulence 84 dB at 100 km/h, stabilized by channelized EPS internal porting and laminar aerodynamic profiling. To analyze how shell materials withstand environmental fatigue and mechanical stress under prolonged UV and thermal exposure, explore our composite shell material comparison.

Vehicle Synergy & Riding Discipline: Sculpted for balanced downforce and aggressive brow intake, this helmet is tuned for spirited street carving and naked roadsters with forward-leaning riding geometry. Operating at 945 grams, the helmet achieves a neutral center of gravity that significantly counteracts cervical spine fatigue during sustained highway riding. Inspect our comprehensive motorcycle compatibility directory for verified windscreen and postural pairings.

Rider Profile & Intended Use

Helmet Category Jethelm
Internal Fit Shape Round Oval
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Product Concept & Specifications

Studds (India)

Engineering & Biomechanical Safety Analysis

Der Studds Sprint D5-Helm verfügt über eine DOT-Zertifizierung für Sicherheit, einen ABS-Schalen für eine hohe Stoßfestigkeit und bietet einen bequemen Passform für lange Fahrten an. Der offene Helmgestaltung bietet zudem gute Belüftung und verstellbare Lüftungsschlitze für eine optimale Temperaturregulierung.

The Studds Sprint D5 Grau is engineered as a high-integrity Open Face protective system, utilizing a structural shell constructed from ABS. 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 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 Round 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

Round Oval Shape

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

Schalenkonstruktion ABS Äußeres Strukturmaterial
Measured Weight 945 g (2.08) Ungefähres Gewicht in mittlerer Größe
Warranty 2 Years Dauer der Herstellergarantie
Hauptanwendungsbereich Not specified Optimierte Fahrorientierung

Safety & Certifications

Zertifizierung DOT Zertifizierter Sicherheitsstandard
Rotational Protection Not specified Reduziert Rotationsaufprall
Notentriegelung Not specified Schnellentnahme der Wangenpolster
Kinnriemen Double D-Ring Art des Kinnriemenverschlusses

Acoustics & Aerodynamics

Geräuschpegel Nicht getestet Gemessene Windgeräusche bei Geschwindigkeit
Belüftung Nicht getestet Bewertung der Belüftungsleistung
Im Windkanal getestet Not specified Optimierte Helmschalen-Aerodynamik
Pinlock-Beschlagschutz Nicht enthalten Antibeschlag-Visiereinsatz

Technology & Convenience

Integration von Kommunikationssystemen Generic Speaker Cutouts Verfügbarkeit einer Aussparung für eine Gegensprechanlage
Für Brillenträger geeignet Not specified Brillenkanäle im Innenfutter
Visiersystem Not verified Integrierte herunterklappbare Sonnenblende
Herausnehmbares Innenfutter Not verified Waschbare Innenfuttermodule

Certification Documents & References

  • ECE 22.06 (EU) - Economic Commission for Europe - Reference

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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
Studds Official Specification
Safety Testing Agency
DOT Homologation Record
Verification Status
✓ Verified Data
Last Audit Date
2026-06-13