The narrowest roof box is the Thule Sidekick. It measures 48 inches long, 25 inches wide, and 12 inches high.
Roof boxes provide extra storage for road trips and outdoor adventures. The Thule Sidekick is perfect for those needing a compact solution. Its narrow design allows it to fit on most car roofs without taking up too much space. Despite its small size, it offers ample storage for camping gear, sports equipment, or luggage.
Easy to install and remove, it provides convenience and flexibility. Made from durable materials, it ensures long-lasting use. Ideal for small cars, it helps maximize storage without compromising vehicle aerodynamics. The Thule Sidekick is a reliable, space-saving option for your travel needs.

Credit: www.car-roofracks.co.uk
Benefits Of Narrow Roof Boxes
Narrow roof boxes offer many advantages for travelers. These boxes are compact and efficient. They enhance your vehicle’s performance in many ways.
Enhanced Aerodynamics
Narrow roof boxes improve your vehicle’s aerodynamics. They reduce wind resistance and drag. This design helps your car move smoothly.
With less air resistance, your vehicle maintains better speed. This makes driving more enjoyable. You experience less noise and turbulence on the road.
Fuel Efficiency
Narrow roof boxes contribute to better fuel efficiency. Reduced drag means your engine works less. This leads to lower fuel consumption.
Saving on fuel costs is a significant benefit. It helps both your wallet and the environment. Efficient fuel use reduces your carbon footprint.
Ease Of Parking
Parking becomes easier with a narrow roof box. These boxes do not add much width to your vehicle. You can fit into tight spaces more easily.
Urban driving and parking are less stressful. You have more flexibility in choosing parking spots. Narrow boxes make maneuvering in crowded areas simpler.

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Top Narrow Roof Box Models
Choosing the best narrow roof box can be tricky. It must fit your car and hold all your gear. In this guide, we explore the top models. These are the best in terms of design, space, and durability.
Thule Vector Alpine
The Thule Vector Alpine is sleek and stylish. It offers a perfect blend of form and function.
- Capacity: 13 cubic feet
- Dimensions: 91.5 x 24.5 x 12.5 inches
- Weight: 65 pounds
- Dual-side opening
This roof box is great for long trips. It has a dual-side opening for easy access. The aerodynamic design reduces noise and drag.
Yakima Skybox 12
The Yakima SkyBox 12 is another top choice. It is known for its robust build and ample space.
- Capacity: 12 cubic feet
- Dimensions: 92 x 24 x 15 inches
- Weight: 55 pounds
- Tool-free installation
This model is easy to install. It does not need any tools. The SuperLatch system ensures your gear is secure.
Inno Wedge 660
The INNO Wedge 660 stands out for its compact design. It is ideal for smaller vehicles.
- Capacity: 11 cubic feet
- Dimensions: 80 x 33 x 11 inches
- Weight: 42 pounds
- Memory Mount System
This roof box features the Memory Mount System. It ensures quick and easy installation. Its low-profile design reduces wind resistance.
Key Features To Look For
Choosing the narrowest roof box requires understanding its key features. These features ensure that you get the most value and functionality. Let’s dive into the essential aspects to consider.
Material And Durability
The material of the roof box plays a vital role in its longevity. High-quality ABS plastic is a common choice due to its strength and light weight. Fiberglass is another excellent option, known for its durability and weather resistance. Always opt for materials that can withstand harsh conditions.
Durability ensures that your investment lasts for years. Check for UV-resistant coatings to prevent sun damage. Also, look for waterproof seals to keep your belongings dry.
Security Features
Security is crucial when storing items on your car’s roof. A good roof box should have robust locking mechanisms. This prevents unauthorized access and keeps your items safe.
Many roof boxes come with dual-side opening for easy access. Some models include integrated central locking systems for added security. Ensure the box you choose has a reliable lock to protect your belongings.
Ease Of Installation
Installing a roof box should be a simple task. Look for boxes with quick-mount systems. These systems allow for easy attachment and detachment.
Some models feature tool-free installation, making the process even smoother. Ensure the box comes with clear instructions and all necessary mounting hardware. This saves time and effort during installation.
Comparing Dimensions And Capacities
Choosing the right roof box involves understanding its dimensions and capacities. This section compares length, width, volume, and storage capacity. It helps you find the narrowest roof box that suits your needs.
Length Vs. Width Considerations
The dimensions of a roof box are crucial. A narrow roof box is ideal for specific needs. It allows more space for other roof-mounted items. A wider box provides more storage but takes up more roof space.
Here is a simple comparison:
Dimension | Narrow Roof Box | Wider Roof Box |
---|---|---|
Length | Up to 70 inches | Over 70 inches |
Width | Up to 24 inches | Over 24 inches |
Volume And Storage Capacity
Storage capacity is as important as dimensions. A narrow roof box can hold less. It is perfect for small items or minimal luggage. A larger box holds more but is less aerodynamic.
- Volume: Measured in cubic feet or liters.
- Small Capacity: Up to 10 cubic feet.
- Large Capacity: Over 10 cubic feet.
Consider your storage needs. Use a narrow roof box for light trips. Opt for a larger one for family vacations.
Installation Tips
Installing the narrowest roof box can seem tricky. But with the right tools and steps, it’s a breeze. Here’s a guide to help you install your roof box safely and securely.
Tools Needed
- Roof rack (compatible with your car)
- Measuring tape
- Wrench
- Screwdriver
- Step stool or ladder
- Gloves for safety
Step-by-step Guide
- Read the manual that came with your roof box.
- Measure the roof rack to ensure it fits your car.
- Position the roof box on the rack carefully.
- Align the brackets with the roof rack crossbars.
- Tighten the screws using a wrench.
- Check the stability of the roof box.
- Lock the roof box to secure it.
Common Mistakes To Avoid
- Skipping the manual: Always read the instructions.
- Improper measurements: Measure the roof rack correctly.
- Loose screws: Ensure all screws are tight.
- Ignoring weight limits: Don’t overload the roof box.
- Not checking stability: Make sure the box is stable before driving.

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Maintenance And Care
Proper maintenance of your narrowest roof box extends its lifespan. Regular care ensures safety and functionality. Follow these tips to keep your roof box in top condition.
Cleaning Tips
Regular cleaning prevents dirt and debris buildup. Use mild soap and water. Avoid harsh chemicals; they can damage the material.
- Wash with a soft sponge to avoid scratches.
- Rinse thoroughly to remove soap residue.
- Dry with a soft cloth to prevent water spots.
Storing When Not In Use
Proper storage prolongs the life of your roof box. Store it in a cool, dry place. Avoid direct sunlight to prevent UV damage.
- Use a protective cover if available.
- Keep it off the ground to prevent moisture buildup.
- Check for any signs of damage before storing.
Handling Wear And Tear
Inspect your roof box regularly for wear and tear. Address issues promptly to avoid further damage.
- Check for cracks or dents.
- Ensure locks and hinges function properly.
- Repair small damages with appropriate sealants.
Issue | Solution |
---|---|
Scratches | Use a plastic polish. |
Broken Lock | Replace with a new lock. |
Loose Hinges | Tighten screws or replace hinges. |
Following these maintenance tips ensures your narrowest roof box stays in great shape.
Frequently Asked Questions
What Is The Narrowest Roof Box Available?
The narrowest roof box available on the market is typically around 21 inches wide. This size is perfect for compact cars. It ensures minimal wind resistance and better fuel efficiency.
Can A Narrow Roof Box Fit All Cars?
A narrow roof box can fit most cars with roof racks. However, always check the box’s compatibility with your car model. Manufacturer guidelines are essential.
How Much Can A Narrow Roof Box Hold?
A narrow roof box can hold approximately 8 to 12 cubic feet of cargo. This size is ideal for carrying skis, snowboards, or other elongated items. Always check the weight limit specified by the manufacturer.
Is A Narrow Roof Box Aerodynamic?
Yes, narrow roof boxes are designed to be aerodynamic. Their sleek shape minimizes drag and reduces wind noise. This design helps improve fuel efficiency while driving.
Conclusion
Choosing the narrowest roof box can significantly enhance your travel experience. It offers more space without compromising vehicle aerodynamics. Ensure you pick the right size for your needs. A well-chosen roof box makes all the difference. Happy travels with your perfectly fitted, narrow roof box!