The Alpinestars S-R7 A Core is a premium full-face sport helmet built on the same carbon composite platform as the S-R7 Zeal, sharing the core shell architecture while offering a different fit and feature configuration. It’s positioned for serious street and occasional track riders at a premium price point.
The S-R7 A Core shares that shell platform but adds Alpinestars’ patented A-Head fitment system, which lets you adjust both the height and angle the helmet sits on your head. Here’s what that means in practice.
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