Alpinestars Nucleon KR-R Race Back Protector



Alpinestars Nucleon KR-R Hybrid Back Protector

Ergonomically profiled the Alpinestars Nucleon KR-R Hybrid Back Protector is an innovative track and race back protection system CE certified Level 2 to the latest back protector standard revision and incorporating a multi-compound construction for excellent performance fit.


  • Waist adjustment for customized fit
  • Snap-on system to fix protector to a suit or jacket
  • Slim vented kidney belt for added security

Sizing Info:

Height (in)  Protector Size
56.75 - 64.25 XS
64.25 - 71.75 SM-MD
71.75 - 76.5 LG-XL

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Product Style Item # Manufacturer Product # Availability
XS 1012250 6505015-125-XS Available: Requires 1-3 business days of lead time prior to shipment
SM 1012251 6505015-125-S In Stock: Ships within 24 hours
MD 1012252 6505015-125-M In Stock: Ships within 24 hours
LG 1012253 6505015-125-L In Stock: Ships within 24 hours
XL 1012254 6505015-125-XL In Stock: Ships within 24 hours