Description
Product Overview
The Alpinestars Youth Nucleon KR-Y back protector is engineered for young riders who demand reliable safety without excess bulk. Certified to CE Level 2 standards, it features a contoured shell that follows the natural curve of the spine, providing targeted impact absorption. Constructed from high‑density polymer and perforated foam, the protector balances lightweight performance with robust protection. Dimensions are compact at 5.91 x 3.94 x 3.94 inches, and it ships in a compact package for easy storage.
![[Product front view showing all components]](https://www.galvora.store/wp-content/uploads/2026/06/6702bece164544fdac67590a45571532.jpg)
Usage
Ideal for motocross, off‑road riding, and beginner track sessions, this back protector fits children in the Bambino age range. The adjustable shoulder straps and elastic waistband allow a snug fit across a variety of body sizes, ensuring the device stays in place during high‑intensity maneuvers. Whether practicing on a backyard track or competing in a youth league, the KR‑Y offers confidence and comfort for both riders and parents.
Why Choose Us
Alpinestars brings decades of motorsport expertise to youth safety gear. Each protector undergoes rigorous testing to meet CE Level 2 impact standards, guaranteeing that the protection is not just theoretical but proven in real‑world conditions. The brand’s commitment to quality includes a comprehensive warranty and responsive customer support, ensuring peace of mind long after purchase.
Key Features
- CE Level 2 certified for reliable impact protection on young riders.
- Lightweight, low‑profile design that doesn’t hinder movement.
- Breathable perforated padding keeps the rider cool during intense sessions.
- Adjustable shoulder straps and elastic waistband provide a secure, customized fit.
- Alpinestars customer support and warranty for hassle‑free ownership.
FAQ
What age range is this back protector designed for?
The KR‑Y is intended for the Bambino age range, typically children aged 4 to 8 years, depending on individual size.
Is the protector CE Level 2 certified?
Yes, it meets CE Level 2 standards, offering a high level of impact protection suitable for youth motorsport activities.
How do I adjust the fit?
Use the hook‑and‑loop shoulder straps and the elastic waistband to tighten or loosen the protector until it fits snugly without restricting movement.
Can I wear this protector in hot weather?
Absolutely. The perforated foam and breathable materials promote airflow, helping to keep the rider’s back cool.
What is the warranty coverage?
Alpinestars provides a limited warranty against manufacturing defects, and their support team is available to assist with any fit or performance questions.





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