Best Roof Box Accessories of 2025

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Roof Box Accessories are a range of add-ons that can enhance the functionality and convenience of your car's roof box. These accessories are designed to provide additional storage space, improve stability and security, and make it easier to load and unload your gear. They include items such as roof box bags, locks, tie-down straps, and mounting systems. With the right accessories, you can maximise the use of your roof box and make your next road trip or camping adventure more enjoyable.
At a Glance: Our Top Picks
Top 10 Roof Box Accessories
Funmo Universal Roof Box Mounting Fitting Set
The Funmo Roof Box Fitting Kit offers wide compatibility, fitting most vehicles without size concerns. Its easy installation means you can quickly secure your roof box, making it convenient for your travels. Made from high-quality galvanised steel and plastic, this kit ensures durability and stability, so you can trust it to hold your luggage securely. The practical design features a rubber seal and plastic back panel, protecting your car from scratches while keeping your belongings safe during your journey.
Thule 34358 Wheel Strap for Secure Attachment
The Thule Wheel Strap is an ideal product for securing your bicycle wheels during transport. With its secure wheel attachment, you can travel with confidence knowing your wheels are safe. The adjustable design allows you to customise the fit for different wheel sizes, ensuring versatility for various bicycles. This feature provides convenience and peace of mind, making it an essential accessory for any cycling enthusiast.
Thule Kit Flush Rail 6028 Roof Rack
The Thule Flush Rail Kit is a custom fit accessory designed to mount a Thule roof rack securely to vehicles with flush railings. You can easily check the Thule Buyer's Guide to determine which fit kit is suitable for your car, ensuring a perfect match. Weighing just 1.040 kg and measuring 7.4cm L x 15.8cm W x 21.6cm H, this kit is lightweight and compact, making it easy to handle. With this kit, you can enjoy the convenience of effortlessly transporting your gear on your roof rack.
Twinny Load 7915005 Wall Bracket for Roof Box
The Twinny Load Wall Bracket is a universal product designed for roof box accessories. Made from premium grade materials, it ensures durability and reliability for your car cleaning and care needs. This bracket offers a secure and stable mounting solution for your roof box, allowing you to transport your belongings with ease. Its thoughtful design makes it convenient for users, providing peace of mind while you're on the road.
Thule 1500001155 Lock with Key Replacement
The Thule Lock with Key is designed to make replacing the locks in your Thule products a breeze. You can complete the process in just a few easy steps, ensuring that your items remain secure. This lock is compatible with all Thule products that start with the letter N followed by three numbers. This versatility allows you to maintain the security of various Thule items, giving you peace of mind while on the move.
Thule Replacement Keys for Roof Boxes
The Thule Replacement Keys are a practical solution for anyone needing new keys for their Thule locks. You can easily select your keycode from the menu, ensuring compatibility with your existing Thule cores. The product comes in a convenient pack of two, making it an excellent choice for those who may need a spare. Additionally, if you're unsure where to find your keycode, helpful instructions are available online, guiding you through the process with ease.
Thule Evo Fixpoint Foot Accessories Four-pack
The Thule Evo Fixpoint Feet are essential accessories for cycling enthusiasts. Designed for unisex adults, these feet are made from a hard, premium material that ensures durability during your outdoor activities. With the Thule brand's reputation for quality, you can focus on your performance without any worries. These feet adapt to various sports activities, making them versatile companions for your cycling needs. Enjoy the convenience and reliability that come with using Thule Evo Fixpoint Feet.
QLS Roof Box Holder for Wall Mounting
The QLS Roof Box Holder is an excellent solution for securely storing your roof box, surfboard, or skis. Its wall-mounting design allows you to save space in your garage or shed, making it easy to access your gear when needed. Installation is quick and straightforward, so you can set it up without hassle. Crafted in Poland, this holder ensures durability and reliability, giving you peace of mind that your equipment is safely stored.
BSWAN Roof Rack Cross Bar Accessories
The BSWAN Cross Bar Accessories are crafted from durable 304 stainless steel, ensuring longevity even in extreme weather conditions. The 3mm thick material, combined with a black powder coating, provides added resilience. With a convenient T-nut design, you can easily install and remove these brackets on your roof rack, allowing you to adjust their position as needed. This means you can transport a variety of items—such as ladders, kayaks, and skis—effortlessly, making your outdoor adventures more convenient.
Thule Quick Access Cover Strips for Evo Bars
The Thule Evo Cover Strips come as a pair and are specifically designed to enhance your Thule Evo Roof Bars. These cover strips ensure a seamless fit, providing a clean and polished look to your roof bars. They are compatible only with the newer Thule Wingbar Evo, ensuring that you have the right protection for your equipment. By using these strips, you can keep your roof bars in excellent condition, safeguarding them from wear and tear.
Frequently Asked Questions (FAQs)
1. What do you put in a rooftop box?
Bulky, lightweight things fit well in roof boxes: Things that take up a lot of space but don't weigh a ton are good items to put up top in roof boxes. So, things like tents, sleeping bags, sleeping pads, pillows, camp chairs, etc. are good options.
2. Do you need straps for a roof box?
You'll find that most roof boxes are fitted with elasticated internal straps to help you secure its contents, so make sure these are used, and you take the time to ensure that they fit snugly over the box's contents.
3. Do roof boxes damage your car?
Can roof bars damage my car? If your roof bars aren't fitted correctly, then they can indeed damage your car. For example, if screws or clips are over-tightened, then the tracks in your roof or connection points can become warped or go out of shape.
During our roof box accessory research, we found 306 roof box accessory products and shortlisted 10 quality products. We collected and analyzed 8,614 customer reviews through our big data system to write the roof box accessories list. We found that most customers choose roof box accessories with an average price of £27.61.
The roof box accessories are available for purchase. We have researched hundreds of brands and picked the top brands of roof box accessories, including Funmo, Thule, Twinny Load, KALWOL, QLS. The seller of top 1 product has received honest feedback from 54 consumers with an average rating of 4.8.

Joseph is a seasoned writer who's also passionate about automotive. His passion for automotive care and maintenance fuels his drive for more knowledge in the field. He currently resides in Middlesbrough, where he finds time to write informative contents on automotive. His automotive related articles are quite popular in journals around the world. Joseph continues to use his wealth of experience in the industry to create helpful guides on automotive.