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BIS-ISI-CERTIFICATE

IS 4151: 2015

Helmet for riders of Two Wheeler Motor Vehicles

Helmet for riders of Two Wheeler Motor Vehicles
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1. Summary about Helmet for Riders of Two Wheeler Motor Vehicles

Helmets for two-wheeler riders are designed to protect the head from impact during accidents. They are critical safety equipment for motorcycle and scooter users on public roads.


2. Why BIS Certificate is Mandatory for Helmet for Riders of Two Wheeler Motor Vehicles

BIS certification is mandatory because helmets play a direct role in preventing fatal head injuries. Non-compliant helmets may fail to absorb impact effectively.


3. What is BIS Certified for Helmet for Riders of Two Wheeler Motor Vehicles

BIS certification confirms compliance with Indian Standards covering impact absorption, retention system strength, penetration resistance, and overall helmet construction.


Tests required for Helmet for Riders of Two Wheeler Motor Vehicles

TitleMandatory/Optional
Shell

Optional

Protective padding

Optional

Comfort padding

Optional

Retention system

Optional

Metal Parts (Corrosion resistance)

Optional

Visor (If provided)

Required

Sizes

Required

General (Except visor)

Required

Shell

Required

Protective padding

Required

Retention system

Required

Characteristics of material of helmet

Required

Safety of wearer

Required

Peripheral vision

Required

Workmanship and finish

Required

Mass

Required

Impact absorption test

Optional

Rigidity test

Required

Test for projections and surface friction

Required

Dynamic test of retention system

Required

Audibility test

Optional

Retention (Detaching) test of helmet

Required

Micro -slip test of the Chin strap

Optional

Test for resistance to abrasion of the Chin strap

Optional

Test for retention systems relying on quick release mechanisms

Optional


4. Benefits of BIS Certification for Helmet for Riders of Two Wheeler Motor Vehicles

  • Ensures effective head protection
  • Mandatory for legal road use in India
  • Reduces risk of serious injury or death
  • Improves helmet reliability and performance
  • Builds rider and enforcement confidence