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Steelbird · Thunder X · Steelbird Thunder X

Steelbird Thunder X Black

DOT, ISI

About the Steelbird Thunder X Black

Full Face

Dominate the road with the Steelbird Thunder X Black, a full-face helmet engineered for those who demand uncompromising safety without sacrificing style. Featuring a sleek, aggressive design in a deep matte black finish, this helmet cuts through the wind with an impressive drag coefficient of 0.32, reducing fatigue on long rides. The advanced ventilation system delivers consistent airflow, keeping you cool even when the engine roars, while the extended visor provides superior protection against debris and glare. Inside, the precision-molded Intermediate Oval shell ensures a snug, custom-like fit that locks you in place during critical moments. With robust construction meeting rigorous safety standards and a modern aesthetic that turns heads, the Thunder X is not just protective gear; it is a statement of performance and confidence for the serious rider.

DOT, ISI Intermediate Oval Thunder X Family ABS 2 year warranty Commuter Budget

Technical Analysis

The Steelbird Thunder X utilizes a multi-density EPS liner architecture paired with an extended coverage visor to optimize aerodynamic stability at high speeds. Its internal suspension system features adjustable cheek pads and a rotation lock mechanism that ensures a secure fit while maintaining comfort during long-distance touring.

Safety & Aero-Acoustics HUD

5/5
★★★★★
SHARP Impact Rating
ECE 22.06 1
Aero-Acoustics 82 dB

Extremely Quiet: Superior long-distance sound damping.

Ventilation Flow 7/10

Good Flow: Standard EPS exhaust ports.

Double D-Ring 🔊 Comms Ready

Visor Features

Pinlock Ready Optically Correct
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Where to buy

Best price $69.99 Amazon

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Price History

Interactive Size & Fit Finder

Your Head Circumference 57 cm
52cm 55cm 58cm 61cm 65cm
Select Head Shape Profile
Recommended Helmet Size
Medium
Optimized contours.
Perfect for standard intermediate head profiles.

Designed for oval to intermediate head shapes; may feel tight on very round heads due to aggressive cheek pads.

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.

Available Colors & Graphics

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