TRIANGLE FF351 Motorcycle Helmet for Street Bike - Dual Visor Comfort
TRIANGLE FF351 Motorcycle Helmet for Street Bike - Dual Visor Comfort
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In this review of the TRIANGLE FF351, the bottom line is simple: it is a practical DOT approved helmet for street riders who want flexibility and everyday comfort without a premium price. The FF351 stands out for its dual visor design, pairing a clear outer shield with a retractable sun visor so riders can adapt quickly to changing light. It aims at commuters and weekend riders who value a durable ABS shell, removable padding for hygiene, and an easy-to-use quick release buckle.
Key Features
- Dual visor design: Offers a clear outer visor for daytime clarity plus a built-in retractable sun visor to cut glare when the sun is low.
- DOT approved safety: Constructed with an ABS outer shell and multi-density EPS liner to absorb impact and meet DOT safety standards.
- Adjustable ventilation: Multiple vents let riders tune airflow for cooling on warm days and reduced draft in cooler weather.
- Quick release buckle: The strap system secures snugly and allows fast on and off for riders who switch helmets often.
- Removable interior padding: Soft liners can be taken out and washed to keep the helmet fresh after regular use.
Who It's For
The FF351 is best for street bike riders and daily commuters who want an affordable helmet with practical features like a sun visor and washable padding. It is a good match for those who ride in mixed light conditions and need a unit that handles both bright sun and overcast city streets.
Riders who prioritize the absolute lightest shell materials, advanced aerodynamic shape for high-speed sport riding, or integrated Bluetooth would likely look elsewhere. Track riders and long-distance touring riders seeking specialized features may find more purpose-built options.
Pros & Cons
Pros
- Solid build quality from the ABS shell and multi-density EPS liner provides dependable impact protection.
- The dual visor system delivers quick transitions between clear and sun-shielded vision.
- Comfortable fit with removable, washable padding and an adjustable ventilation system for varied weather.
- Quick release buckle is convenient for everyday use and easy removal.
Cons
- The visor can fog in certain conditions, so riders may need an anti-fog treatment or pinlock-style solution.
- Some users report mixed feelings about the release mechanism, so fit and buckle feel can vary by head shape.
Specifications
| Brand | TRIANGLE |
| Model | FF351 |
| Safety Certification | DOT approved |
| Shell Material | ABS outer shell |
| Liner | Multi-density EPS liner |
| Visor | Clear outer visor + retractable inner sun visor |
| Interior | Removable and washable padding |
Our Verdict
The TRIANGLE FF351 is a sound value pick for street riders seeking a practical, DOT approved helmet with a useful dual visor and washable comfort liners. It balances safety, everyday convenience, and ventilation well; just be aware that visor fogging can occur and may require additional anti-fog steps. For commuters and casual riders, it represents solid protection and utility at a reasonable cost.
Frequently Asked Questions
Is this helmet DOT certified?
Yes, the FF351 meets DOT safety standards and uses an ABS shell with a multi-density EPS liner.
Can the interior padding be washed?
Yes, the interior padding is removable and washable to keep the helmet fresh after regular use.
Does it include a sun visor?
Yes, it has a retractable inner sun visor in addition to the clear outer visor for glare control.
Editor's Take
The TRIANGLE FF351 is a practical, DOT approved street helmet offering a dual visor, washable padding, and adjustable ventilation; good value for commuters though the visor can fog in some conditions.

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