- 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.
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ALPINESTARS | SKU:
Alpinestars Nucleon KR-R Cell Back Protector
$189.95 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-R Cell Back Protector
Engineered for track days and aggressive sport riding, the Alpinestars Nucleon KR-R Cell Back Protector offers high-performance impact protection in a low-profile, race-ready design. Constructed using a flexible yet highly ventilated polymeric cell structure, this CE Level 2-certified protector ensures optimal airflow and energy absorption without sacrificing mobility.
Designed to be worn under a race suit or jacket with a secure waist strap and adjustable shoulder harness, the KR-R Cell provides impact coverage for the spine while maintaining comfort during long sessions. Lightweight, ergonomic, and ventilated — it’s a go-to choice for serious riders demanding professional-level safety.
Key Features:
- Cellular Polymeric Structure – Delivers maximum ventilation and flexibility
- CE Level 2 Certified – Premium impact protection for high-speed riding
- Ergonomic Race Fit – Contours to the back for a low-profile feel under leathers
- Adjustable Waist and Shoulder Straps – Personalized, secure fit for any rider
- Removable Shoulder Straps – Option to use standalone or with race suit integration
- Lightweight Construction – Engineered for all-day comfort and reduced fatigue
- Air Channel Ventilation System – Promotes airflow for cooler rides
Purpose-built for performance and comfort, the Alpinestars Nucleon KR-R Cell Back Protector offers elite spine protection for the track or the street.
