What is the Alpinestars Bionic Flex Knee Protector designed for?

The Alpinestars Bionic Flex Knee Protector is specifically designed for motorcyclists and motocross enthusiasts. Its primary function is to provide enhanced protection to the knees during high-impact activities like racing or off-road riding. The knee pads utilize Nucleon Flex Technology, which combines flexible materials that conform to the movement of your knee while maintaining impact resistance. This makes them ideal for those who need robust protection without sacrificing mobility.

How does the Nucleon Flex Technology work?

Nucleon Flex Technology employs a combination of advanced polymer blends to create a lightweight yet highly protective knee pad. This technology allows the pad to absorb and disperse energy from impacts while being sufficiently flexible to move with the athlete’s natural range of motion. This is particularly beneficial for motocross riders who need to shift positions quickly as they navigate challenging terrains.

Are the knee protectors breathable?

Yes, the Alpinestars Bionic Flex Knee Protectors feature a slip-on breathable mesh construction. This design promotes airflow, keeping the knees cool and comfortable during extended periods of use. The mesh also aids in moisture management, preventing sweat build-up that can detract from performance. Whether you are practice riding or racing, breathability is crucial for long-lasting comfort.

What sizes are available for the Alpinestars Bionic Flex Knee Protector?

The Alpinestars Bionic Flex Knee Protector is available in sizes S/M. The sizing is designed to accommodate a broad range of leg shapes while ensuring a secure fit. A snug fit is essential to maximize protection and prevent the pads from shifting during rigorous activities. Always refer to the sizing guide before making a decision to ensure the best fit for your needs.

Can I use these knee protectors for other activities besides motocross?

Absolutely! While specifically designed for motocross and motorcycle riding, the Alpinestars Bionic Flex Knee Protectors can also be utilized in various extreme sports such as mountain biking, skateboarding, and snowboarding. Their flexibility and impact resistance make them a versatile choice for any activity requiring knee protection, allowing you to stay safe while enjoying your favorite sports.

How do I properly fit the knee protectors?

To properly fit the Alpinestars Bionic Flex Knee Protectors, slide them over your knee and adjust them so they rest comfortably without restricting movement. The slip-on design allows for easy adjustments. Ensure that the pads sit directly over the knee cap while allowing for flexibility. A proper fit enhances the protective qualities of the knee pads and ensures maximum comfort during your rides.

What materials are used in the construction of these knee protectors?

The Alpinestars Bionic Flex Knee Protectors are made from high-quality, durable materials that aim to balance flexibility with impact resistance. The outer shell typically includes advanced polymers, while the breathable mesh lining promotes comfort and airflow. This combination not only ensures protection but also allows the user to remain agile and comfortable during intense physical activity.

Are these knee protectors suitable for beginners?

Yes, the Alpinestars Bionic Flex Knee Protectors are suitable for both beginners and experienced riders. The user-friendly design and enhanced protection make them an excellent choice for those new to motocross or motorcycle sports. Beginners will appreciate the confidence these pads provide, allowing them to focus more on their technique and skills without the worry of knee injuries.

How do I clean and maintain the knee protectors?

Cleaning the Alpinestars Bionic Flex Knee Protectors is simple. Hand wash them with mild soap and cold water, then allow them to air dry away from direct sunlight. Avoid machine washing or drying, as this can damage the materials. Regular maintenance ensures that your protectors remain in optimal condition, prolonging their lifespan and effectiveness.

Where can I buy Alpinestars Bionic Flex Knee Protector in Costa Rica?

You can purchase the Alpinestars Bionic Flex Knee Protector conveniently at Ubuy. They offer a reliable platform with a wide selection of motorcycle gear, including knee protectors, ensuring that you find exactly what you need for your riding adventure.

¿Está Alpinestars Bionic Flex Knee Protector, Motorcycle disponible para comprar en línea en Costa Rica?

Sí, en Ubuy Costa Rica, este producto está disponible para que lo compre a un precio razonable.. El Alpinestars Bionic Flex Knee Protector, Motorcycle no está disponible localmente, pero puede confiar en nosotros con nuestros servicios de envío exprés.

¿Cuánto tiempo se tarda en obtener el producto después de realizar el pedido?

El tiempo de entrega de su producto pedido varía según lo que haya pedido y el método de envío que haya elegido.. El tiempo de entrega estimado se menciona durante el proceso de pago, así que no se preocupe mientras compra.

Alpinestars Ver el original

Alpinestars Bionic Flex Knee Protector, Motorcycle Motocross Pads, Nucleon Flex Technology, Slip-On Breathable Mesh, S/M, Black/Red

Alpinestars

Nº de artículo: 40516251

Alpinestars Bionic Flex Knee Protector, Motorcycle Motocross Pads, Nucleon Flex Technology, Slip-On Breathable Mesh, S/M, Black/Red

63% of respondents would recommend this to a friend

Nº de artículo: 40516251

CRC 74547

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

^{*All items will import from Estados Unidos}

Disponibilidad : En stock

Importado de la tienda USA

QTY:

Haz tu pedido ahora y recíbelo por ahí Martes, Octubre 27

Secured transaction

Our Top Logistics Partners

Garantía U-Care:

Ninguno

Selecciona un plan

Fast
Shipping

Free
Return^*

Secure Packaging

100% Original Products

PCI DSS Compliance

ISO 27001 Certified

What Stands Out

Advanced Protection

Designed with cutting-edge materials, the Bionic Flex Knee Protector ensures superior protection against impacts while maintaining flexibility for unrestricted movement during intense riding sessions.

Ergonomic Fit

The knee protector features an adjustable strap system, providing a secure and comfortable fit for larger body types, ensuring effective protection without sacrificing ease of wear.

Durable Construction

Constructed with high-quality materials, this knee protector boasts exceptional durability and resilience, ensuring long-lasting performance even in the most challenging riding conditions.

Detalles de producto

Closure Type	Pull On
Special Features	Stretchable
Form Factor	Shell
Sport Type	outdoor lifestyle
Item Dimensions	16 x 7 x 4.2 inches (40.6 x 17.8 x 10.7 cm)
Size	Small/Medium
Item Package Quantity	1
Item Weight	15.84 ounces (449.06 grams)
Unit Count	1 Count
Color	Black/Red
Material	Plastic
Fabric Type	Silicon
Brand Name	Alpinestars
Age Range Description	Adult
Model Name	Bionic Flex Knee Protector
Global Trade Identification Number	08059175286964
Manufacturer	Alpinestars
Included Components	Pair of knee protectors
Model Number	6505121-13-S/M
Part Number	6505121-13-S/M
Brand	Alpinestars
Age Range (Description)	Adult

Who Should Buy?

Motocross Riders
Ideal for motocross enthusiasts seeking enhanced knee protection during high-impact and rough terrain riding.
Trail Bikers
Great for trail riders looking for lightweight protection that allows flexibility and comfort on extended rides.
Skateboarders
Perfect for skateboard users needing knee safety while performing tricks or riding in parks with various obstacles.

Street Cyclists
Less suitable for road cyclists who prioritize aerodynamics and minimal gear due to the bulkiness of knee protectors.

DESCRIPCIÓN DEL PRODUCTO

Alpinestars Bionic Flex Knee Protector, Motorcycle Motocross Pads, Nucleon Flex Technology, Slip-On Breathable Mesh, S/M, Black/Red

About This Item

Introducing the Alpinestars Unisex-Adult Bionic Flex Knee Protector - the ultimate knee protection for active individuals. Whether you're a biker, skateboarder, or just someone who needs extra support during physical activities, this knee protector is designed to keep you safe and comfortable. Constructed with durable materials, this knee protector offers exceptional flexibility without compromising on protection. The Alpinestars Bionic Flex Knee Protector is engineered to withstand impact and abrasion, shielding your knees from any potential injuries. With a sleek black and red design, this knee protector not only provides functionality but also adds a stylish touch to your outfit.

The large/XL size ensures a snug fit for most adults, while the one-size design makes it suitable for both men and women. Featuring the latest technology, the Alpinestars Bionic Flex Knee Protector offers maximum mobility without sacrificing safety. The flexible design allows for a wide range of motion, enabling you to move freely and comfortably during your activities. Whether you're hitting the trails or performing tricks, this knee protector is there to support you every step of the way. Say goodbye to discomfort and hello to confidence with the Alpinestars Bionic Flex Knee Protector. Invest in your own safety and get the Alpinestars Unisex-Adult Bionic Flex Knee Protector today.

Don't let injuries hold you back from enjoying your favorite activities. Order now and experience the ultimate protection for your knees.

¿Tienes alguna consulta? Chatea con nosotros

Preguntas y respuestas de los clientes

Pregunta: ¿Cómo comprar Alpinestars Bionic Flex Knee Protector, Motorcycle en línea desde Ubuy?

Respuesta: Es fácil comprar Alpinestars Bionic Flex Knee Protector, Motorcycle en línea desde Ubuy.. Solo tiene que buscar el producto, elegir su método de envío al pagar y recibirlo en su ubicación.
Pregunta: ¿Está Alpinestars Bionic Flex Knee Protector, Motorcycle disponible para comprar en línea en Costa Rica?

Respuesta: Sí, en Ubuy Costa Rica, este producto está disponible para que lo compre a un precio razonable.. El Alpinestars Bionic Flex Knee Protector, Motorcycle no está disponible localmente, pero puede confiar en nosotros con nuestros servicios de envío exprés.
Pregunta: ¿Cuánto tiempo se tarda en obtener el producto después de realizar el pedido?

Respuesta: El tiempo de entrega de su producto pedido varía según lo que haya pedido y el método de envío que haya elegido.. El tiempo de entrega estimado se menciona durante el proceso de pago, así que no se preocupe mientras compra.

Alpinestars Knee & Shin Protection 6505121-13-S/M Editorial Review

Alpinestars Bionic Flex Knee Protector, Motorcycle Motocross Pads, Nucleon Flex Technology, Slip-On Breathable Mesh, S/M, Black/Red is designed with a pull-on closure and features stretchable materials for enhanced comfort. Weighing 15.84 ounces, these knee protectors are lightweight and made with durable plastic and silicone fabric. Many users appreciate the breathable mesh design that allows for excellent airflow during rides. The adjustable fit caters well to outdoor enthusiasts and those involved in motocross activities, making it a versatile choice for rigorous sports. Overall, this product promises to offer solid knee protection while maintaining comfort.

Customer Reviews & Ratings

4.0

1 valoraciones de los clientes

5 estrella

0%
4 estrella

100%
3 estrella

0%
2 estrella

0%
1 estrella

0%

Revisar este producto

Comparte tus ideas con otros clientes

ventajas

Breathable mesh for added comfort
Lightweight design enhances mobility
Stretchable fabric allows for flexibility
Durable plastic construction for long-lasting use
Slip-on style makes it easy to wear

Contras

Sizing may not fit everyone perfectly

Platform Trust & Buyer Confidence

4.2/5 9704 reviews

Read reviews

Jasmin

Verified buyer

“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot

Anke

Verified buyer

“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”

10 September 2026 · via Trustpilot

Hazel

Verified buyer

“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

10 September 2026 · via Trustpilot

Opaleye

Verified buyer

“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot

Adele

Verified buyer

“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot

WHY SHOP WITH US

Pago seguro Global Delivery Easy Returns Genuine Products

Product Price History

Información importante

Limitaciones: Para los productos enviados al extranjero, ten en cuenta que cualquier garantía del fabricante puede no ser válida; las opciones de servicio del fabricante pueden no estar disponibles; los manuales del producto, las instrucciones y las advertencias de seguridad pueden no estar en los idiomas del país de destino; los productos (y los materiales que los acompañan) pueden no estar diseñados de acuerdo con las normas, especificaciones y requisitos de etiquetado del país de destino; y los productos pueden no ajustarse al voltaje del país de destino y a otras normas eléctricas (lo que requiere el uso de un adaptador o convertidor, si procede). El destinatario es responsable de asegurarse de que el producto puede ser importado legalmente al país de destino. Cuando hagas un pedido a Ubuy o a sus filiales, el destinatario es el importador registrado y debe cumplir todas las leyes y normativas del país de destino.
No todos los productos que aparecen en Ubuy están a la venta, ya que Ubuy es un motor de búsqueda a nivel mundial. Los productos están sujetos a las normas de exportación/comercio.

CRC 74547

Haz tu pedido ahora y recíbelo por ahí Martes, Octubre 27

QTY:

Secured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners

Fastest cross-border delivery

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns ^*, and secure packaging on every order.

Alpinestars Bionic Flex Knee Protector, Motorcycle Motocross Pads, Nucleon Flex Technology, Slip-On Breathable Mesh, S/M, Black/Red

CRC 74547

Fast Shipping

Free Return*

Secure Packaging

100% Original Products

PCI DSS Compliance

ISO 27001 Certified

What Stands Out

Detalles de producto

Who Should Buy?

DESCRIPCIÓN DEL PRODUCTO

About This Item

Preguntas y respuestas de los clientes

Alpinestars Knee & Shin Protection 6505121-13-S/M Editorial Review

Customer Reviews & Ratings

Revisar este producto

ventajas

Contras

Platform Trust & Buyer Confidence

WHY SHOP WITH US

Product Price History

Información importante

CRC 74547

Ubuy Assurance

Fast
Shipping

Free
Return^*