LS2 Valiant II Modular Helmet - Lightweight 180-Degree Flip

In this review the LS2 Valiant II modular helmet is assessed for riders who want the convenience of a 180-degree flip chin bar with a lightweight, aerodynamic shell. The Valiant II stands out for its Kinetic Polymer Alloy shell that blends aramid fibers into a polymer for improved energy management and penetration resistance while keeping weight down. For commuters and touring riders who need a comfortable modular helmet that is easy to flip up at stops, this model delivers practicality and modern materials without unnecessary frills.

Key Features

• 180-degree flip modular: The chin bar flips up fully for easy communication, resting and quick stops without removing the helmet.
• Kinetic Polymer Alloy shell: The KPA construction mixes microscopic aramid fibers into a high-end polymer to reduce weight while helping disperse impact energy.
• Slimmer chin bar mechanism: The redesigned mechanism is smaller and more aerodynamic, which helps reduce wind noise and drag at speed.
• Two shell sizes: Multiple shell sizes allow a closer fit and a smaller overall shell profile for better balance and comfort on the road.
• Penetration resistance: The use of aramid particles in the shell improves penetration protection compared with basic polymer shells.

Who It's For

The LS2 Valiant II is aimed at daily commuters and touring riders who value the convenience of a full-face helmet that converts to an open-face position quickly, and who want a modern shell material that balances weight and protection. It suits riders who frequently stop in traffic or need to talk to a passenger without removing headgear.

Riders who prefer the absolute lightest racing-focused shells or who require integrated communications systems out of the box may want to compare other modular models. This is not presented as a track helmet, so sport riders seeking minimal bulk and the tightest race fit should look elsewhere.

Pros & Cons

Pros

• Lightweight KPA shell reduces fatigue on long rides while maintaining energy dispersion benefits.
• Full 180-degree flip chin bar offers practical convenience for stops and conversations.
• Slimmer chin bar mechanism improves aerodynamics compared with the previous generation.
• Two shell sizes help achieve a better overall fit and reduced bulk.

Cons

• Not marketed as a track-specific helmet, so sport riders seeking race-oriented fit and features may prefer alternatives.
• Some riders may want more detail on ventilation and interior features, which are not specified here.

Specifications

Our Verdict

The LS2 Valiant II is a well-rounded modular helmet that combines a practical 180-degree flip chin bar with an advanced KPA shell, offering a good balance of protection and weight. It is a strong choice for commuters and tourers who want a convenient, aerodynamic modular helmet that delivers modern material benefits without excess complexity.

Frequently Asked Questions

Is the chin bar fully reversible?
The Valiant II features a 180-degree flip chin bar that lifts fully for open-face use but is not reversible to the back of the helmet.

What is KPA?
KPA stands for Kinetic Polymer Alloy, a shell material that mixes microscopic aramid particles into a polymer to improve energy dispersion and penetration resistance while keeping weight down.

Are multiple shell sizes available?
Yes, the helmet is produced in two shell sizes to help provide a smaller overall shell profile and a better fit.