The Alpinestars Nucleon KR-1 Cell SMRDBK Back Protector in size XL is designed to provide lightweight, flexible protection for motorcycle riders. Its articulated protector design supports a comfortable fit while allowing natural movement in an aggressive riding position. The breathable construction helps promote airflow during extended rides, making it suitable for street riding, touring, sport riding, and track-focused use.
Engineered by Alpinestars and manufactured in China, this Nucleon KR-1 Cell SMRDBK model is intended for riders seeking dependable back protection that can be integrated with compatible Alpinestars riding gear. The protector’s flexible structure is designed to follow the contours of the back while helping absorb and distribute impact energy across the protected area. Always verify compatibility with the specific jacket, suit, or protective garment before installation.
This product is supplied under manufacturer part number 4294219107 and vendor part number 4294-2191-07. The XL size is appropriate for compatible Alpinestars apparel specified for that size. Use the protector only as directed by the manufacturer, inspect it regularly for wear or damage, and replace it after a significant impact or if its protective structure becomes compromised.
Features:
- Size: XL
- Model: Nucleon KR-1 Cell SMRDBK
- Brand: Alpinestars
- Manufacturer Part Number: 4294219107
- Vendor Part Number: 4294-2191-07
- Protection Type: Flexible motorcycle back protector
- Fitment: Designed for compatibility with select Alpinestars motorcycle jackets, suits, and protective riding garments
- Construction: Articulated design supports mobility and riding comfort
- Ventilation: Breathable structure promotes airflow during use
- Origin: Manufactured in China
Size: XL
Model: NUCLEON KR-1 CELL SMRDBK
Origin: CN