The Nucleon range of road protection features a superb anatomical fit and comfort. Constructed wit...The Nucleon range of road protection features a superb anatomical fit and comfort. Constructed with innovative protector plates which are light and made from a high-performance polymer compound for protection. With new modular rib protectors for strategic protection of a vulnerable area, the Nucleon KR-3 protection offers excellent performance under leather or textile outer wear. CE Level 2 back protector (EN1621_2:2014). Three-dimensional back protector from waist to shoulders to cover all bust sizes. Structured back plate composed of a high-performance polymer blend for excellent flexibility and weight economy. Construction incorporating hybrid protection with a lattice shell and new viscoelastic PU foam. New injected PU lattice structure, ergonomically designed to absorb high-impact shocks, allowing maximum breathability and ventilation. New viscoelastic PU foam blend on the spinal region for comfort and shock absorption. Convex design on the central shell provides the highest level of spinal protection. Flexible ventilated horizontal lattice for adaptation to the riding position. New adjustable rib protection composed of a high-performance polymer blend for additional lateral protection. New curved padded extensions on the shoulders for impact protection. Custom waist fit and thin perforated kidney belt for a more stable and secure position. Adjustable and detachable elastic shoulder straps with snap-button system for more comfortable use of the protection. Compatible with Nucleon KR-C protection. Compatible with Nucleon KR-TB protection.
Alpinestars Black/Red Nucleon Kr-3 Back Protector SmokeFree delivery in 1–3 days£204.99Visit shop →
Alpinestars Black/Red Nucleon Kr-3 Back Protector Smoke Size: XsFree delivery in 1–3 days£204.99Visit shop →
Product Information
Full details
This guide is for motorcyclists who want to enhance their safety on the road. The Alpinestars Nucleon KR-3 Back Protector offers superior back protection, designed for comfort and performance under riding gear. Keep in mind that while it provides excellent protection, it is crucial to ensure a proper fit for optimal effectiveness.
All features
Colour
Black
Model Part Number
8021506941965
Brand
Alpinestars
Extended Product Information
FAQs
How do I clean the back protector?
Use a damp cloth and mild soap. Avoid harsh chemicals or solvents.
Is the back protector washable?
No, it is not machine washable. Clean the surface with a damp cloth.
What level of protection does this back protector provide?
It provides CE Level 2 back protection, meeting the EN1621_2:2014 standard.
How often should I replace the back protector?
Inspect the protector regularly and replace it if it shows signs of damage or wear, or after a significant impact.
Can I use this protector with any motorcycle jacket?
It's designed to fit most Alpinestars jackets. Check the jacket's specifications for compatibility and ensure a proper fit.
What is the warranty on the Alpinestars Nucleon KR-3 back protector?
Warranty information is not available in the provided product data. Consult the manufacturer's website or contact the retailer for warranty details.
What are the benefits of the adjustable shoulder straps?
The adjustable shoulder straps allow for a customized fit, ensuring the protector stays securely in place and offers the best level of protection.
Does the protector provide any ventilation?
Yes, it features a lattice structure designed to enhance breathability and ventilation.
Troubleshooting
Protector feels uncomfortable or restricts movement.
Adjust the shoulder straps and check the fit within your jacket. Ensure it is not too tight or improperly positioned.
Protector does not fit inside the jacket's back pocket.
Check the jacket's size and the protector's size. Ensure they are compatible. Try a different size protector.
Damage to the protector is noticed.
Inspect the protector regularly for wear and tear. If damaged, replace the protector immediately.
Pros and Cons
Pros
Provides CE Level 2 back protection.
Offers a comfortable and ergonomic fit.
Features a lightweight design for ease of use.
Enhances breathability with its lattice structure.
Offers adjustable features for a customized fit.
Cons
Requires proper sizing for optimal protection.
May require some adjustment to fit comfortably under certain riding jackets.
Additional protection components (KR-C, KR-TB) sold separately.
Can feel slightly warm in very hot weather.
Setup, Compatibility & Care
Sizing: Refer to the Alpinestars size chart to determine the correct size for your build.
Placement: Insert the protector into the back pocket of your compatible riding jacket.
Adjustment: Adjust the shoulder straps to ensure a snug, comfortable fit.
Compatibility: Designed to work with Alpinestars jackets; check compatibility with other brands.