Alpinestars · Protection · Adventure / Street
The Alpinestars Nucleon KR-CELLi Back Protector Insert is a lightweight back protector insert built for Adventure and Street riding. It’s designed to integrate into compatible riding gear while keeping bulk to a minimum.
Its articulated, triple-segment back shell is made to move with the rider for a secure, comfortable fit. The high-performance polymer blend uses a CELL microstructure intended to help manage impact energy while promoting airflow for riding comfort on longer days.
Fitment
The Nucleon KR-CELLi is CE certified and certified to EN 1621-2:2014 Level 1 standards. As a dedicated back protector insert, it’s built to add streamlined back coverage in a format meant to sit neatly inside compatible riding gear without unnecessary bulk.
Comfort
An articulated, triple-segmented back shell plate is designed to adapt naturally to rider movement. This flexible layout helps the insert stay comfortable and secure while the rider changes position, making it a practical choice for everyday use across Street and Adventure riding.
Ventilation
The KR-CELLi’s CELL microstructure is engineered to efficiently absorb impact energy while maximizing airflow and breathability. Combined with its low-profile shape, the design focuses on ride comfort during longer sessions while still keeping the insert lightweight and easy to live with.
| Included | Super lightweight back protector insert designed for minimal bulk and everyday comfort. |
|---|---|
| Included | Lightweight Level 1 back protector insert with articulated design, CELL structure, and high airflow for riding comfort. |
| Included | Certified to EN 1621-2:2014 Level 1 standards, the Nucleon KR-CELLi Back Protector Insert offers dependable protection in a streamlined, rider-friendly package. |
| Compatible with | Streamlined low profile design integrates easily into compatible riding gear. |
| Compatible with | The Alpinestars Nucleon KR-CELLi Back Protector Insert is designed to provide lightweight, flexible protection that integrates easily into compatible riding gear. |
As stated by Alpinestars for this protection. Optional and compatible equipment is sold separately unless it is listed as included.
| Super lightweight back protector insert designed for minimal bulk and everyday comfort. |
| Triple segmented articulated back shell adapts naturally to rider movement for a secure fit. |
| High performance polymer blend construction delivers flexible impact protection. |
| Unique CELL microstructure enhances energy absorption while maximizing airflow and breathability. |
| Streamlined low profile design integrates easily into compatible riding gear. |
| Certified to EN 1621-2 2014 Level 1 safety standards. |
As listed by Alpinestars for this protection.
