- All returned items must be in brand-new, unused condition with all original packaging, tags, and accessories included. Products that have been worn, taken on a test ride, or installed on a motorcycle are not eligible for return unless they are defective and fall under the manufacturer’s warranty. Packaging must also be in like-new condition — the same way you would expect to receive it if you were buying the item yourself.
Loading...
ALPINESTARS | SKU:
Alpinestars Nucleon KR-1 Cell Back Protector
$219.95 USD
Unit price
/
Unavailable
Shipping calculated at checkout.
📞 Any questions? Talk to a real rider: 951-777-2661
⏰ Support Hours: Mon–Fri 10AM–5PM PST • Sat 10AM–4PM PST
FAST SHIPPING INFO
FAST SHIPPING INFO
We ship all in-stock items within 1–2 business days from the time your order is placed.
If your item is on backorder, we’ll place the order with the manufacturer and provide you with an estimated ship date via email within 2 business days.
Need it fast or want to confirm stock before ordering?
Feel free to call us at (951) 777-2688 — we’re happy to help.
RETURN & EXCHANGES
RETURN & EXCHANGES
Return & Refund Policy
Last updated: June 9, 2025
MotoFactory accepts returns on eligible items within 14 days of delivery.
To be eligible for a return, items must meet the following conditions:
- All returns are subject to a 20% restocking fee
- Return shipping is the customer’s responsibility
- We are not responsible for lost return shipments, so we recommend using a trackable service and insuring the package if needed
To initiate a return, please contact us at the link below Returns sent without prior approval may be denied.
https://www.motofactoryparts.com/pages/contact
Send Returns to :
MotoFactory
1651 Market St Suite A
Corona, CA 92878
Once your return is received and inspected, we will notify you of the approval status. If approved, your refund (minus restocking fees) will be processed to your original payment method within 3–5 business days.
Some items, such as race-use parts, electrical components, close-outs, or special orders, may be final sale. Please reach out to confirm eligibility before returning any item.
Description
Description
Alpinestars Nucleon KR-1 Cell Back Protector
The Alpinestars Nucleon KR-1 Cell Back Protector delivers top-tier track protection with a hybrid construction engineered for elite-level impact absorption. Designed with a rigid central spine structure surrounded by flexible, ventilated polymeric cells, the KR-1 Cell strikes the perfect balance between strength, flexibility, and airflow.
Certified to CE Level 2 standards, this protector is built for high-speed riding and race-day intensity. It features a low-profile ergonomic design, adjustable shoulder straps, and a secure waistband for a customizable fit under leathers or riding jackets. Ideal for riders who demand serious protection without compromising on comfort or movement.
Key Features:
- Hybrid Hard Shell + Cell Technology – Combines rigid support with ventilated comfort
- CE Level 2 Certified – Maximum protection for high-performance riding
- Race-Ready Ergonomic Profile – Contours to the spine for low-bulk wear under suits
- Adjustable Shoulder and Waist Straps – Secure and personalized fit
- Ventilated Polymeric Cell Structure – Enhances airflow and reduces heat buildup
- Removable Shoulder Straps – Compatible with suits or jackets with built-in armor pockets
- Lightweight and Durable – Ideal for long track sessions and street performance
The KR-1 Cell Back Protector is the professional rider’s armor of choice — high-impact protection and airflow in a race-focused design.
