---
product_id: 423251747
title: "Nucleon Flex Pro Knee Protector Knee Protection Large Anthracite"
brand: "alpinestars"
price: "HK$471"
currency: HKD
in_stock: true
url: https://www.desertcart.hk/products/423251747-nucleon-flex-pro-knee-protector-knee-protection-large-anthracite
store_origin: HK
region: Hong Kong
---

# Ergonomic adaptive fit Open design for max airflow Advanced Nucleon Flex Pro tech Nucleon Flex Pro Knee Protector Knee Protection Large Anthracite

**Brand:** alpinestars
**Price:** HK$471
**Availability:** ✅ In Stock

## Summary

> 🛡️ Ride fearless with the future of knee protection!

## Quick Answers

- **What is this?** Nucleon Flex Pro Knee Protector Knee Protection Large Anthracite by alpinestars
- **How much does it cost?** HK$471 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/423251747-nucleon-flex-pro-knee-protector-knee-protection-large-anthracite)

## Best For

- alpinestars enthusiasts

## Why This Product

- Trusted alpinestars brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Freedom of Movement:** Ergonomic engineering offers maximum mobility without compromising coverage.
- • **Tailored Comfort Fit:** Adaptive design molds perfectly to your knee for all-day ergonomic support.
- • **Breathe Easy, Ride Hard:** Open ventilated structure ensures superior airflow, keeping you cool on every ride.
- • **Sleek & Discreet Profile:** Slim protector design stays low-profile under gear, blending protection with style.
- • **Next-Level Impact Defense:** Nucleon Flex Pro tech delivers lightweight yet robust knee protection without bulk.

## Overview

The Alpinestars Nucleon Flex Pro Knee Protector in Large Anthracite combines cutting-edge Nucleon Flex Pro technology with an ergonomic, ventilated, and adaptive design. It offers high-impact protection with a slim, discreet profile that molds to your body, ensuring maximum comfort and airflow for professional riders seeking top-tier safety and performance.

## Description

AlpinestarsNucleon Flex Pro Knee Protector Knee Protection Large Anthracite

## Features

- Incorporating innovative Nucleon Flex Pro technology that is lightweight and ventilated, the Nucleon Flex family of protectors is ergonomically engineered for comfort, convenience, performance and protection.
- Ergonomic design provides high levels of movement with large coverage.
- Open design structure ensures high levels of airflow and ventilation.
- Slim design gives a low protector profile, meaning the protection appears discreet in the garment off the bike.
- Adaptive design means the protector molds to the riders body shape for enhanced levels of comfort.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Alpinestars |
| Part Number | 6526021_114_L |
| Item Weight | 10.2 ounces |
| Product Dimensions | 2 x 10 x 13 inches |
| Item model number | 6526021_114_L |
| Is Discontinued By Manufacturer | No |
| Size | L |
| Color | Orange |
| Material | Acrylic |
| Item Package Quantity | 1 |
| Usage | Sports, Construction, High Impact Activities |
| Included Components | Elbow Protectors |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** Alpinestars
- **Age range (description):** Adult
- **Colour:** Orange
- **Material:** Anthracite
- **Closure type:** Pull On

## Images

![Nucleon Flex Pro Knee Protector Knee Protection Large Anthracite - Image 1](https://m.media-amazon.com/images/I/61dgsRFBRyL.jpg)

---

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**Shop now:** [https://www.desertcart.hk/products/423251747-nucleon-flex-pro-knee-protector-knee-protection-large-anthracite](https://www.desertcart.hk/products/423251747-nucleon-flex-pro-knee-protector-knee-protection-large-anthracite)

---

*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-02-01*