Please select a Size to check availability, or to add this item to your Shopping Cart or Wish List.
The Alpinestars Nucleon KR-2i Back Protector Insert fits all Alpinestars jackets and race suits and delivers CE Level 2 impact protection.
Note: Size MD is recommended for Men's jackets size 50 and smaller and XS-MD. Size LG is recommended for Men's jackets size 52 and larger and LG-4XL. See specific Women's jackets for sizing recommendations.
|Waist to Shoulder (in)||Height (in)||Protector Size|
|15 - 17||56.75 - 64.25||SM|
|17 - 19||64.25 - 71.75||MD|
|19 - 20||71.75 - 76.5||LG|
|Product Style||RevZilla Item #||Manufacturer Product #||Availability|
|SM||973533||6501615-10-S||In Stock: Ships next business day|
|MD||973534||6501615-10-M||In Stock: Ships next business day|
|LG||973535||6501615-10-L||In Stock: Ships next business day|
Orders $39.99 and over qualify for our fast free shipping offer. Click Here for FREE Shipping Terms and Conditions.
Please see our International Orders page for orders shipping outside the US.
We show real-time availability on this product page when you select the size/color item you want. Most items will ship the same business day an order is placed,however if an item requires additional processing time a message will be shown indicating such.
See our full Shipping Policy for further details.
If your order arrives and it is not right, we will we'll fix it, NO NONSENSE, we promise.
Doesn't fit or just not happy with it? You can return any new, unused and unaltered item within 30 business days of delivery receipt of your item. We will issue a full refund to your original payment method.
See our full Return Policy for all of the pertinent details.
Have a functionality, fit, or otherwise product-specific question about the Alpinestars Nucleon Back Protector Insert? Ask it here! If you have a customer service or shipping question, please direct it to our Customer Service department.