GIVI · X.21 Challenger · GIVI X.21 Challenger
GIVI X.21 Challenger Hi-Viz Yellow
Quick Facts at a Glance
Verified Safety Snapshot
How this helmet’s verified certifications map to recognized safety homologations and crash testing.
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.
Verified Fit & Sizing Guide
Head shape profile matching and interactive size calculator based on verified manufacturer dimensions.
Intermediate oval fit; true to size. The modular mechanism provides a snug cheek pad feel that breaks in slightly over time.
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
""
P/J modular with wide flip-up mechanism and micro-ratchet buckle.
Rider Profile & Intended Use
Where to buy
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Amazon (US)
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Price History & Trends
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Product Concept & Specifications
GIVI (Italy)Engineering & Technical Analysis
The GIVI X.21 Challenger helmet features a composite shell, providing excellent protection and durability. It offers a comfortable fit with adjustable ventilation, ensuring a cool and dry riding experience. The modular design allows for versatility and easy maintenance.
Fit & Shell Structure
Intermediate Oval Shape
Balanced oval fit: standard ergonomic curvature fitting 80%+ of riders.
Safety & Certifications
Acoustics & Aerodynamics
Technology & Convenience
Interactive Size & Fit Finder
Intermediate oval fit; true to size. The modular mechanism provides a snug cheek pad feel that breaks in slightly over time.
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.
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
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Compatible Accessories
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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.