Skip to Main Content
RevZilla Speak to an expert: 877-792-9455
Free 2-Day
Shipping Lowest Price,
Guaranteed No-Hassle
Returns
Navigation
Menu
 Search
Search
 Phone
Call Us
 Cart
Cart
Log In/Sign Up
Free 2-Day
Shipping

Qualifying orders $39.99 or more shipped with FREE 2-DAY delivery within the contiguous U.S. See our Free Shipping Policy for more information.

Free Shipping Policy
Free Shipping
over $39.99

Orders $39.99 or more ship free within the contiguous U.S.

Free Shipping Policy
No-Hassle
Returns

Doesn't fit? Don't love it?

Return any unused item within 30 days for a full refund.

No-Hassle Returns

  1. Obtain an RA number
  2. Package your product
  3. Send it back to us!
Return Policy
Lowest Price,
Guaranteed

Found it for less?

RevZilla will match any advertised price on new merchandise available through another authorized U.S. dealer.

Submit a Price Match

Elite Service Rating

Our goal is to provide the best possible shopping experience to every enthusiast who visits RevZilla.

See what our customers are saying about us:

Customer Reviews

ZillaCash Rewards Program

Earn $5 for every qualified $100 you spend. You'll also hear about special offers and events! How it works:

1

Sign in or create an account to earn ZillaCash on your next purchase with us.

2

Earn $5 for every $100 you spend on eligible items and brands.

3

Redeem your ZillaCash Rewards on a future order with us!

See our customer service page for more details.

Free 2-Day ShippingNo Restock FeesPrice Match GuaranteeElite Customer Service
Alpinestars

Alpinestars Nucleon KR-1i Back Protector Insert

Item: P295328
87 Read 87 Reviews 30 Q&As Write a Review

The Nucleon KR-1i form fits to your body. Great airflow and lightweight, the Nucleon KR-1i replacement back protector insert is CE Level 2. Read More

Alpinestars Nucleon KR-1i Back Protector Insert Fullscreen Zoom
$79.95
Rebate Available! View Details

This item Ships FREE
Guaranteed Low Price
Please select a Size to view availability.
Add To Wish List
Add To Wish List

This item Ships FREE
Guaranteed Low Price

Similar Categories

View More Videos
Gear Geek
Need Help?
Speak to one of our Gear Geeks:

Product Details

Alpinestars Nucleon KR-1i Hybrid Back Protector Insert

The Nucleon KR-1i Hybrid Back Protector Insert is CE certified Level 2 to the latest back protector standard revision (EN1621-2:2014). Fusing together a lightweight, perforated hard shell and energy absorbing foam, this hybrid protector insert offers excellent impact resistance while being flexible and anatomically contoured. With its innovative cooling airflow channel system the Nucleon KR-1i Hybrid Back Protector Insert offers optimized levels of protection and comfort for sport and street riding.

Fitment:

  • Women's Stella Jackets:
    • 36-38 or XS-SM: Small Nucleon
    • 40-50 or MD-3XL: Medium Nucleon
  • Men's Jacket:
    • 44-50 or XS-MD: Medium Nucleon
    • 52-64 or LG-4XL: Large Nucleon
Product Style RevZilla Item # MFR. Product # Availability
Product Style SM RevZilla Item #1012260 MFR. Product #6504115-12-S AvailabilityIn Stock: Ships next business day
Product Style MD RevZilla Item #1012261 MFR. Product #6504115-12-M AvailabilityIn Stock: Ships next business day
Product Style LG RevZilla Item #1012262 MFR. Product #6504115-12-L AvailabilityIn Stock: Ships next business day
Product Description
Part Numbers
87 Customer Reviews
87 4.5/5
30 Questions & 24 Answers

Reviews & Questions

Leave a product review for a chance to win one of our monthly $100 giveaways.
Ask or answer a question to win one of our monthly $100 giveaways.