Box Four 8 Speed X-Wide Rear Derailleur Bicycles MTB Hanger Non-Direct Mount for Mountain Bike, Cycling Finished Matte Onyx Sealed Bearing Pulleys | Black
Box Four 8 Speed X-Wide Rear Derailleur Bicycles MTB Hanger Non-Direct Mount for Mountain Bike, Cycling Finished Matte Onyx Sealed Bearing Pulleys | Black
Box Four 8 Speed X-Wide Rear Derailleur Bicycles MTB Hanger Non-Direct Mount for Mountain Bike, Cycling Finished Matte Onyx Sealed Bearing Pulleys | Black
Box Four 8 Speed X-Wide Rear Derailleur Bicycles MTB Hanger Non-Direct Mount for Mountain Bike, Cycling Finished Matte Onyx Sealed Bearing Pulleys | Black
Box Four 8 Speed X-Wide Rear Derailleur Bicycles MTB Hanger Non-Direct Mount for Mountain Bike, Cycling Finished Matte Onyx Sealed Bearing Pulleys | Black
Box Four 8 Speed X-Wide Rear Derailleur Bicycles MTB Hanger Non-Direct Mount for Mountain Bike, Cycling Finished Matte Onyx Sealed Bearing Pulleys | Black
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Box Four 8 Speed X-Wide Rear Derailleur Bicycles MTB Hanger Non-Direct Mount for Mountain Bike, Cycling Finished Matte Onyx Sealed Bearing Pulleys | Black
Box Four 8 Speed X-Wide Rear Derailleur Bicycles MTB Hanger Non-Direct Mount for Mountain Bike, Cycling Finished Matte Onyx Sealed Bearing Pulleys | Black
Box Four 8 Speed X-Wide Rear Derailleur Bicycles MTB Hanger Non-Direct Mount for Mountain Bike, Cycling Finished Matte Onyx Sealed Bearing Pulleys | Black
Box Four 8 Speed X-Wide Rear Derailleur Bicycles MTB Hanger Non-Direct Mount for Mountain Bike, Cycling Finished Matte Onyx Sealed Bearing Pulleys | Black
Box Four 8 Speed X-Wide Rear Derailleur Bicycles MTB Hanger Non-Direct Mount for Mountain Bike, Cycling Finished Matte Onyx Sealed Bearing Pulleys | Black
Box Four 8 Speed X-Wide Rear Derailleur Bicycles MTB Hanger Non-Direct Mount for Mountain Bike, Cycling Finished Matte Onyx Sealed Bearing Pulleys | Black
Box Four 8 Speed X-Wide Rear Derailleur Bicycles MTB Hanger Non-Direct Mount for Mountain Bike, Cycling Finished Matte Onyx Sealed Bearing Pulleys | Black
Box Four Rear Derailleur is the base of Prime 9 Technology that offers an affordable clutch based 1 by 8-speed derailleur that is simple and light.
Box Four 8 Speed X-Wide Rear Derailleur Bicycles MTB Hanger Non-Direct Mount for Mountain Bike, Cycling Finished Matte Onyx Sealed Bearing Pulleys | Black
Box

Nº de artículo: 25879663

Box Four 8 Speed X-Wide Rear Derailleur Bicycles MTB Hanger Non-Direct Mount for Mountain Bike, Cycling Finished Matte Onyx Sealed Bearing Pulleys |

89% of respondents would recommend this to a friend

Nº de artículo: 25879663

PYG 483609

Price Details

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*All items will import from Estados Unidos

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Haz tu pedido ahora y recíbelo por ahí Jueves, Noviembre 19
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Box Four Rear Derailleur is the base of Prime 9 Technology that offers an affordable clutch based 1 by 8-speed derailleur that is simple and light.
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What Stands Out

Enhanced Durability
Crafted with high-quality materials, the Box Four derailleur ensures longevity and robust performance, even in rugged mountain biking conditions.
Smooth Gear Shifting
Featuring advanced sealed bearing pulleys, this derailleur provides seamless gear changes, improving overall cycling efficiency and rider experience.
Non-Direct Mount Design
The innovative non-direct mount option allows for compatibility with a wider range of bike frames, making the Box Four versatile for various mountain bike setups.

Detalles de producto

Shop Box Four 8 Speed X-Wide Rear Derailleur Bicycles MTB Hanger Non-Direct Mount for Mountain Bike, Cycling Finished Matte Onyx Sealed Bearing Pulleys | Black online at a best price in Paraguay. B082VF1G2N
  • The Box Four Rear Derailleur is an affordable clutch-based 1 by 8-speed derailleur.
  • It is equipped with Limited Slip Clutch for better chain management.
  • The bearing pulleys ensure smooth operation and durability.
  • Made with a nylon composite knuckle and die-cast linkages for a lightweight design.
  • Designed to fit vehicle-specific bike models.
  • Perfect for entry-level bikes with a 3 by drive-train, providing durability and user-friendliness.
Brand NameBox
ManufacturerBox Components
Number of Items1
UPC639266097402
Included ComponentsRear Derailleur
Item Type NameRear Derailleur
Model NumberBX-DR4-08AWC-BK
Manufacturer Part NumberBX-DR4-08AWC-BK
Item Weight14.08 ounces (399.17 grams)
ColorBlack
Material TypeAluminum
Case Material TypeAluminum
Mount TypeBraze-On Mount
Number of Teeth22
BrandBox
MaterialAluminum
Mounting TypeBraze-On Mount

What's in the box

Rear Derailleur

Who Should Buy?

Suitable For
  • Mountain Bikers

    Ideal for mountain bikers looking for reliable shifting performance on rugged terrains with 8-speed systems.

  • Competitive Riders

    Perfect for competitive cyclists who require precise gear changes under stress during races or challenging rides.

  • Casual Cyclists

    Suitable for casual cyclists seeking an upgrade for better durability and smoother transitions while riding recreationally.

Not Suitable For
  • Road Cyclists

    Not suitable for road cyclists requiring higher-speed gearing systems as this is optimized for mountain bikes.

DESCRIPCIÓN DEL PRODUCTO

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Preguntas y respuestas de los clientes

  • Pregunta: What is the Box Four 8 Speed X-Wide Rear Derailleur designed for?

    Respuesta: The Box Four 8 Speed X-Wide Rear Derailleur is specifically engineered for mountain biking, enhancing your bike's gear shifting performance. Its design ensures better chain alignment and efficient gear transitions, making it ideal for challenging terrains. This derailleur is perfect for enthusiasts who venture off the beaten path and require reliable performance during steep ascents or rapid descents.
  • Pregunta: How does the matte onyx finish benefit the Box Four Rear Derailleur?

    Respuesta: The matte onyx finish not only provides an appealing aesthetic but also contributes to durability and resistance against wear and tear. This finish helps reduce glare, which can be a distraction while riding. Additionally, the finish aids in protecting the derailleur from various environmental elements, ensuring that it maintains its quality over time, even under rigorous conditions.
  • Pregunta: What does 'sealed bearing pulleys' mean for this rear derailleur?

    Respuesta: The term 'sealed bearing pulleys' refers to the construction of the pulleys that allow for smoother operation and reduced friction. Sealed bearings keep dirt and moisture out, ensuring longevity and better performance over time. This feature is particularly beneficial for mountain biking, where exposure to harsh elements is frequent, as it minimizes the risk of failure under extreme conditions.
  • Pregunta: Is the Box Four Rear Derailleur compatible with other brands?

    Respuesta: Yes, the Box Four 8 Speed Rear Derailleur is designed with compatibility in mind, allowing it to work with various 8-speed systems from other brands. However, it’s crucial to ensure that your bike’s components align well with the derailleur specifications for optimal performance. This versatility provides mountain bikers more options for customizing their gear setups without being confined to a single brand.
  • Pregunta: Can I install the Box Four Rear Derailleur myself?

    Respuesta: Installation of the Box Four Rear Derailleur can be done by those with basic bike maintenance skills. The process involves removing the old derailleur and aligning the new one with the derailleur hanger. There are plenty of online tutorials and guides available that can help you through the steps. Opting for a DIY installation allows for a better understanding of your bike's mechanics and fosters a hands-on approach to bike maintenance.
  • Pregunta: What are the advantages of an X-Wide design on this derailleur?

    Respuesta: The X-Wide design offers greater clearance for wider tires and enhances chain stability, particularly on rough trails. This design minimizes the chances of derailment, allowing for a more consistent performance when navigating technical terrains. Bikers who frequently ride on rugged trails will find this feature beneficial, as it contributes to maintaining smoother operation and more efficient gear changes.
  • Pregunta: What does 'non-direct mount' mean for this rear derailleur?

    Respuesta: A non-direct mount means that the derailleur is attached using a hanger that can be modified or replaced separately, rather than being part of the frame. This design increases adaptability and makes it easier to replace if damaged without needing to replace the entire assembly. It's particularly handy for mountain bikers, as it allows for quick replacements on the go, ensuring minimal downtime during rides.
  • Pregunta: What kind of maintenance does the Box Four rear derailleur require?

    Respuesta: Maintenance for the Box Four Rear Derailleur is relatively straightforward. Regular checks on the alignment and tension of the derailleur are essential for optimal performance. Cleaning the pulleys and periodically lubricating the bearings can further enhance functionality. By staying proactive with maintenance, you can ensure that your derailleur performs at its best, especially during intense rides.
  • Pregunta: What is the maximum gear capacity for the Box Four Rear Derailleur?

    Respuesta: The Box Four 8 Speed Rear Derailleur can handle a maximum gear capacity designed for 8-speed systems, typically accommodating various combinations of chainrings and cogs. Ensuring your gear setup stays within this capacity guarantees optimal performance. Riders can experiment with different configurations while staying within these specifications to achieve the best performance for their riding style and terrain.
  • Pregunta: Where can I buy the Box Four 8 Speed X-Wide Rear Derailleur in Paraguay?

    Respuesta: You can purchase the Box Four 8 Speed X-Wide Rear Derailleur at Ubuy, which offers a diverse selection of bike components. Ubuy is a reliable e-commerce platform that provides detailed product descriptions and customer reviews to assist you in making informed decisions. With its user-friendly interface, finding the right components for your bike becomes a hassle-free experience.

Box Rear Derailleurs BX-DR4-08AWC-BK Editorial Review

  • ubuy Paraguay
  • ubuy Paraguay
  • ubuy Paraguay
  • ubuy Paraguay

Box Four 8 Speed X-Wide Rear Derailleur Bicycles MTB Hanger Non-Direct Mount is a reliable component for mountain bikes, featuring durable aluminum construction and weighing 14.08 ounces. Many users have appreciated its smooth shifting and ease of installation, particularly noting how it performs well in maintaining chain tension even on rough terrain. However, there is a notable limitation as the clutch cannot be turned off, which might complicate rear tire removal for those who frequently need to take their wheels off for cleaning. Overall, it's a solid choice for those looking to streamline their drivetrain without sacrificing performance.

Customer Reviews & Ratings

145 valoraciones de los clientes
  • 5 estrella
    69%
  • 4 estrella
    14%
  • 3 estrella
    6%
  • 2 estrella
    5%
  • 1 estrella
    6%

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ventajas

  • Smooth shifting performance enhances riding experience
  • Easy installation saves time and effort
  • Maintains chain tension to prevent drops
  • Durable aluminum construction for longevity
  • Ideal for simplifying mountain bike drivetrains

Contras

  • Clutch cannot be turned off, complicating wheel removal

Platform Trust & Buyer Confidence

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4.2/5 9477 reseñas
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“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
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“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
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“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot
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PYG 483609

Haz tu pedido ahora y recíbelo por ahí Jueves, Noviembre 19

QTY:

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Fastest cross-border delivery

características y beneficios

  • Affordable price for an entry-level bike
  • Simple and light design
  • Perfect candidate for every entry-level bike
  • Limited Slip Clutch
  • Bearing Pulleys
  • Nylon Composite Knuckle and Die Cast Linkages

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