The Alpinestars Nucleon KR1 Cell Back Protector uses Cell Technology for a lightweight back protector with plenty of flexibility. Add the KR1 underneath your race suit or whatever gear you’re running for a full coverage back protector that straps to your body.
- Cell Technology back protector is constructed from a high performance polymeric material blend for optimized flexibility and excellent weight saving properties
- Developed in three waist-to-shoulder dimensions in order to cover all body sizes
- Extended lower back protector offers more protection to the rider
- Highly perforated for maximum breathability and ventilation
- Horizontal flexion grooves for an adaptive fit in different riding positions
- Adjustable and detachable elastic shoulder straps via a snap fit system for greater comfort
- Compatible with the Nucleon KR-C chest protector by removing the adjustable straps
- Compatible with the Nucleon KR-TB tail bone protector for extended lower spine protection
- Height adjustable kidney belt featuring dual hook and loop closure system for easy, secure closure
- Soft Bio-Foam padded chassis for maximum comfort
- CE certified to EN 1621-2:2014 Level 2
Specifications
| Brand |
Alpinestars |
| Part Number |
6504520-009-L/8059175100352 |
Part Numbers Specification
| Product Style |
Item # |
Store Sku |
MFR. Product # |
| Black/Red / LG |
1726959 |
679311 |
6504520-009-L/8059175100352 |
| Black/Red / MD |
1726960 |
679310 |
6504520-009-M/8059175100345 |
| Black/Red / SM |
1726961 |
679309 |
6504520-009-S/8059175100338 |
| Black/Red / XL |
1726962 |
679312 |
6504520-009-XL/8059175100369 |
| Black/Red / XS |
1726963 |
|
6504520-009-XS/8059175100321 |
