HJC FG ST vs GIVI 50.4 SPECTRUM

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FG ST
0

HJC

Full specs page
50.4 SPECTRUM
0

GIVI

Full specs page

Impact resistance map (legacy four zones)

No verified 6 / 7.5 / 8.5 m/s point data for these records. Legacy four zones are not placed into the three-speed map without a verified speed.

Front
HJC FG ST Front
FG ST
GIVI 50.4 SPECTRUM Front
50.4 SPECTRUM
Right side
HJC FG ST Right side
FG ST
GIVI 50.4 SPECTRUM Right side
50.4 SPECTRUM
Rear
HJC FG ST Rear
FG ST
GIVI 50.4 SPECTRUM Rear
50.4 SPECTRUM
Left side
HJC FG ST Left side
FG ST
GIVI 50.4 SPECTRUM Left side
50.4 SPECTRUM

Technical specifications

Feature FG ST 50.4 SPECTRUM
Brand HJC GIVI
Model FG ST 50.4 SPECTRUM
Product / model code — —
Safety summary SHARP: 5.0 stars SHARP: 4.0 stars
Helmet type Full face Full face
Durability
Weight 1.6 kg 1.4 kg
Size XS S M L XL XXL XS S M L XL
Listed price (reference) $200 $80
Material Composite fiber Polycarbonate
Retention system Double D-Ring Micrometric
Certification UN ECE REG 22.05 UN ECE REG 22.05
Shell sizes Multi size Single size
Pinlock ready
Scratch-resistant visor
Quick-release visor
Removable cheek pads
Intercom ready
Ventilation channels
Internal sun visor
Removable liner

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Helmet comparison FAQ

HJC FG ST vs GIVI 50.4 SPECTRUM: what are the main differences?

Looking at the selected models side by side: All listed helmets share the same certification entry: UN ECE REG 22.05. 50.4 SPECTRUM is the lightest listed at 1.4 kg; the heaviest is FG ST at 1.6 kg (about 0.20 kg apart; weight can vary by size). Pinlock-ready anti-fog visor support is listed for 50.4 SPECTRUM (not all models). These points summarise measurable catalogue fields; fit and real-world comfort still depend on trying the correct size.

Do these helmets have the same safety certification?

FG ST is listed with UN ECE REG 22.05. 50.4 SPECTRUM is listed with UN ECE REG 22.05. On paper they share the same certification entry. ECE 22.05, ECE 22.06 and DOT are legal approval standards; a SHARP star rating (when present) is a separate independent lab assessment and must not be read as the same kind of result. We do not infer SHARP stars from an ECE mark alone. Verified SHARP ratings on this page: FG ST: 5.0 stars; 50.4 SPECTRUM: 4.0 stars.

What do the colours on the impact zone map mean?

Our map stores regional codes on a 1–6 scale (greener ≈ stronger on this page; brown ≈ weaker). When verified multi-speed SHARP point data is present, you can switch 6 / 7.5 / 8.5 m/s and see front-top, front-lower, rear, left and right separately — missing speeds or points show “no data” and are never filled from another speed. Older records may only have the legacy four zones (front/rear/sides) without a verified speed label; those are not placed into the three-speed map. Zone colours are not the same thing as a SHARP star rating. For the models on this page where the safety source is marked SHARP, zone codes are treated as SHARP-linked map data.

How do these helmets compare in front, rear and side impact tests?

Front, rear, right-side and left-side codes are available for FG ST and 50.4 SPECTRUM. Across those zones the stored codes look broadly similar. These comparisons use the legacy four-zone fields only; impact speed was not verified for the three-speed map.

Which helmet is lighter, and by how much?

Listed weights: FG ST: 1.6 kg; 50.4 SPECTRUM: 1.4 kg. 50.4 SPECTRUM is the lightest in this set, about 0.20 kg below the heaviest. Treat this as catalogue data for a typical size — exact mass can change with size and lining.

Which helmets support Pinlock or have an internal sun visor?

Pinlock-ready anti-fog visor support is marked for 50.4 SPECTRUM (ready/compatible in our catalogue — not “insert included in the box” unless the retailer says so); not marked for FG ST; an internal sun visor is marked for FG ST and 50.4 SPECTRUM.