ALPINESTARS Nucleon KR-2i Back Protector Insert - Large 6501615-10-L Works G.P. Grips 4 mm thick 5052 aluminum

4 mm thick 5052 aluminum to protect expensive and fragile radiators from twisting and side impacts

recommended for show or closed-course use only

Reinforced mounting brackets and stinger for increased strength and durability

2017-2019 Husqvarna FE 450 - - 2017-2018 Husqvarna FX 450 - - 2017-2018 Husqvarna FE 501 - - 2016-2018 KTM 450 SX-F - - 2016-2018 Husqvarna FC 450 - - 2016-2018 KTM 450 XC-F

Lightweight inner bootie with minimal construction design for a comfortable

ALPINESTARS Nucleon KR-2i Back Protector Insert - Large 6501615-10-L Works G.P. Grips 4 mm thick 5052 aluminumLightweight, flexible PU injected impact foam Contoured for an anatomical, adaptive fit Perforated for breathability and comfort Channel ventilation system for optimized airflow