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Safety Certification Standard

ISI IS 4151

Verified Standard Official Website

Story & Background

ISI IS 4151 is the mandatory certification for all motorcycle helmets sold in India. It was recently updated to ban non-ISI helmets to improve the safety of the world's largest two-wheeler market.

Testing Protocol

Bureau of Indian Standards

  • Impact Absorption: Maximum acceleration not to exceed 150g.
  • Penetration: Tested with a 3kg striker.
  • Retention: Static and dynamic tests for chin straps.

Active Regions

IN

Legal Status

Mandatory requirement for markets in IN.

6

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Technical Documents