Skip to Main Content
My Store
Open Tomorrow At 10am
3635 West Broad Street
Columbus, Ohio 43228
614-869-3115
What’s going on at Cycle Gear
Services
Experienced staff support available on site
Store Events
Meet the local riding community for Bike Nights & more
Shop the Store
Find out what’s in stock and ready to go
Columbus
My Store
Open Tomorrow At 10am
3635 West Broad Street
Columbus, Ohio 43228
614-869-3115
What’s going on at Cycle Gear
Services
Experienced staff support available on site
Store Events
Meet the local riding community for Bike Nights & more
Shop the Store
Find out what’s in stock and ready to go
Search Suggestions
Menu

Alpinestars Nucleon KR-Cell Back Protector

The Nucleon KR-Cell Back Armor from Alpinestars has an adjustable kidney belt. The back shell is highly perforated to keep you drier and to promote airflow. CE Level 1 back protection at an affordable price.

Features:

  • 3 waist-to-shoulder dimensions in order to cover all body sizes
  • Back shell plates constructed from a high performance polymeric material blend for optimized flexibility and excellent weight-saving properties
  • Highly perforated shells for maximum breathability and air flow
  • Single injected compound shell constructed with triple layer design to absorb impacts
  • Soft bio foam padded chassis for maximum comfort
  • Ergonomic protection plate contours to the natural curve of the back
  • Horizontal flex grooves for adaptive fit in all riding positions
  • Kidney belt for added position stability and security
  • Adjustable, detachable elastic shoulder straps
  • Compatible with the Alpinestars Nucleon KR-C Chest Protectors (sold separately)
  • Compatible with the Alpinestars Nucleon KR-TB Protector (sold separately)
  • CE certified to EN 1621-2:2014 Level 1
Read More
Product Style Item # Store SKU Manufacturer Product # Availability
Product Style Black/Red / XS Item # 1242697 Store SKU Manufacturer Product # 6504018-13-XS/8021506941903/6504018-013-XS Availability In Stock: Ships within 24 hours
Product Style Black/Red / SM Item # 1242698 Store SKU Manufacturer Product # 6504018-13-S/8021506941910/6504018-013-S Availability In Stock: Ships within 24 hours
Product Style Black/Red / MD Item # 1242699 Store SKU Manufacturer Product # 6504018-13-M/8021506941927/6504018-013-M Availability In Stock: Ships within 24 hours
Product Style Black/Red / LG Item # 1242700 Store SKU Manufacturer Product # 6504018-13-L/8021506930716/6504018-013-L Availability In Stock: Ships within 24 hours
Product Style Black/Red / XL Item # 1242701 Store SKU Manufacturer Product # 6504018-13-XL/8021506941934/6504018-013-XL Availability In Stock: Ships within 24 hours
Join now & get rewarded!

Get Free 2-Day Shipping and $15 + 5% RPM Cash on this order.

Already enrolled in RPM? Link your existing membership here.
$39.99/yr.
Spend Less. Ride More.
  • 5% RPM Cash Back*
  • 10% Off Over 70 Brands
  • $15 in RPM Cash When You Join
  • Free 2-Day Shipping & Free Returns*
  • And more!
Become a member today! Add RPM to cart