i91 Gaia MC21SF

HJC i91 – Adventure Modular Helmet, 3-Position DMS Sun Shield, and Dual P/J Approval

The HJC i91 is a modular helmet with a distinctive Adventure style, designed for long journeys as well as everyday versatility. Approved in both closed and open positions, it stands out with its 3-step adjustable DMS sun shield and generous ventilation featuring 6 air vents.

HJC i91 Modular Helmet: Versatility and Precise Adjustments

A long-distance Adventure helmet must be able to adapt to changing conditions without requiring multiple stops. The HJC i91 was designed with this in mind, featuring an APC – Advanced Polycarbonate Composite shell available in three sizes and a chin bar that is approved in both closed and open (P/J) positions.

Its standout feature is the DMS – Dynamic Multi-Step Sunshield system, a sun shield adjustable in 3 steps that allows you to find an optimal position depending on the light, rather than a simple all-or-nothing mechanism. The scratch-resistant HJ-33 shield, Pinlock-ready – with the lens included in the box – filters 99% of UV rays.

In terms of ventilation, the ACS system distributes air through 3 inlets and 6 outlets, one of the most generous configurations in the HJC modular range, designed to effectively expel heat and moisture on long journeys. The removable and washable antibacterial fabric interior completes this equipment designed for both touring and everyday use.

Key Features of the HJC i91

• APC – Advanced Polycarbonate Composite shell: three shell sizes for an optimal fit.
• Dual P/J approval: helmet approved in both closed and open chin bar positions.
• DMS sun shield: adjustable in 3 steps for an optimal position depending on the light.
• HJ-33 shield: Pinlock-ready (lens included), 99% UV protection, scratch-resistant.
• Generous ACS ventilation: 3 inlets and 6 air outlets.
• Micrometric buckle and glasses channel.
• Available up to 3XL, covering a wide range of head sizes.

Technical Specifications

• Helmet type: Adventure modular, P/J approved (full face and jet)
• Shell material: APC – Advanced Polycarbonate Composite
• Number of shell sizes: 3
• Main shield: HJ-33 clear, scratch-resistant, 99% UV protection
• Pinlock: lens included in the box
• Sun shield: DMS – Dynamic Multi-Step Sunshield, adjustable in 3 positions
• Ventilation: ACS – Advanced Channeling Ventilation System, 3 inlets and 6 air outlets
• Interior: antibacterial fabric promoting moisture release and quick drying
• Pads: removable, washable, and interchangeable cheek pads across all sizes
• Closure: micrometric buckle
• Glasses channel
• Included in the box: Pinlock lens
• Sizes: up to 3XL
• Weight: approximately 1,650 to 1,750 g depending on size and measurement sources; the weight may vary depending on the helmet size, to be checked on the official technical sheet
• Approval: ECE 22.06, dual P/J approval

Why Choose the HJC i91?

The i91 stands out for the precision of its sun shield adjustment: the 3-step DMS system allows you to find an optimal intermediate position, rather than a simple raised or lowered shield. A real plus during the gradual changes in light typical of long journeys.

Its dual P/J approval and availability up to 3XL also make it a particularly versatile helmet, capable of adapting to mixed road use and a wide variety of body types.

Comfort and Ventilation

With 3 inlets and 6 air outlets, the i91's ACS system offers one of the most generous ventilation configurations in the HJC modular range, designed to effectively expel heat and moisture on the longest journeys. The removable and washable antibacterial interior completes this approach, with cheek pads that are interchangeable across all sizes.

3-Position DMS Sun Shield

The DMS – Dynamic Multi-Step Sunshield system allows you to adjust the sun shield in 3 distinct steps, offering an optimal position depending on the light conditions rather than a binary setting. A welcome comfort feature for journeys where the light changes gradually, such as at sunrise or sunset.

P/J Approval and Versatile Use

Thanks to its dual P/J approval, the i91 can be legally used both with the chin bar closed for maximum protection and with the chin bar raised for a more open use during stops or in urban traffic.

Maintenance Tips

Clean the HJC i91 shield with lukewarm water and a soft microfiber cloth, avoiding any harsh household products that could damage the scratch-resistant coating.

As the top liner and cheek pads are removable, wash them regularly by hand with mild soap, then let them air dry away from a direct heat source.

Periodically check the proper operation of the openable chin bar and the DMS sun shield system to maintain a reliable helmet over time.

Frequently Asked Questions About the HJC i91

Is the HJC i91 ECE 22.06 approved?

Yes. The HJC i91 meets the European ECE 22.06 standard, with dual P/J approval allowing approved use in both closed and open chin bar positions.

How does the HJC i91's DMS sun shield work?

The DMS system allows you to set the sun shield in 3 distinct positions to find an optimal level of protection depending on the light, rather than a simple raised or lowered shield.

Does the HJC i91 come with a Pinlock?

Yes. The Pinlock lens is included in the box, ready to be installed on the Pinlock-ready HJ-33 shield.

What sizes are available for the HJC i91?

The HJC i91 is available up to 3XL, a wider range of sizes than most other modular helmets in the HJC range.