In brief: Good towbar accessories improve safety, comfort and service life. Our 2026 review shows that towbar locks, noseweight gauges and tow ball covers are essential. We compare features, materials and uses to help you make the best buying decision for your vehicle and transport needs.
Your towbar is the link between your vehicle and your trailer, caravan or utility trailer. To ensure everything works smoothly and safely, the right accessories are essential. Our 2026 review and comparison takes a close look at the most important accessories. We show you what matters when choosing towbar locks, noseweight gauges, tow ball covers and protective covers. This helps you find the ideal equipment for your individual needs.
Contents
Towbar security reviewed: Which lock lives up to its promise?
Protection against theft is a key concern. An unsecured towbar is practically an invitation to steal a trailer or valuable cargo. We compare the most common security systems.
Folding lock with disc padlock
This option offers a clever compromise between security and everyday practicality. The stands out for its folding design. When not in use, simply fold the lock to the side. This leaves the tow ball free for a tow ball cover or a clean look. The integrated disc padlock is considered highly resistant to break-in attempts.
Key benefits:
- High ease of use thanks to the folding mechanism
- Sturdy disc padlock for good protection
- Space-saving when not in use
Fixed anti-theft locks
Fixed models are often more solidly built. They fit over the tow ball and are secured with a separate lock. Their main advantage is their simple, robust design without moving parts. They are ideal when the lock is to remain permanently fitted or maximum protection is the priority.
No anti-theft lock is completely impossible to defeat. However, it creates an effective obstacle and significantly increases the time a thief needs. This alone is often enough to deter them. Always combine the towbar lock with additional security measures on the trailer itself.
The perfect load: noseweight gauges compared
Correct noseweight on the towbar is crucial for safe driving. Too little load causes snaking, while too much overloads the vehicle axle. Noseweight gauges help you determine this value precisely.
Digital precision
Digital noseweight gauges such as the offer high measurement accuracy and easy-to-read results. They usually have an LCD that clearly displays the weight. Benefits include ease of use and the ability to accurately detect even small changes in weight. They are particularly suitable for anyone who frequently loads different trailers or values precise setup.
Mechanical gauges
Mechanical models work without batteries. They are unaffected by weather and always ready for use. Readings are taken from a scale. They are generally very robust and durable. Their accuracy is entirely sufficient for the vast majority of private applications.
Always measure noseweight under real-world conditions. Fully load your trailer as you would for a journey. Only then position the noseweight gauge. This prevents nasty surprises from luggage stowed later.
Care and protection: How to keep your towbar in top condition
A towbar is subjected to considerable strain. Dirt, moisture and road salt take their toll. The right care accessories can significantly extend its service life.
Tow ball covers: more than just looks
A tow ball cover protects the tow ball from corrosion and dirt when the towbar is not in use. We compare materials and fit.
The silver tow ball cover often stands out for its high-quality, UV-resistant material. Silver looks good with chrome-plated tow balls or light-coloured bumpers. It reliably protects against moisture and prevents dirt from building up.
Black covers are discreet and universally suitable. They match almost any vehicle. With both versions, make sure they fit securely without rattling. A good cover has an internal rubber ring for a tight fit.
Protection for the trailer drawbar
Not only the towbar on the towing vehicle, but also the trailer's drawbar deserves protection. A drawbar cover such as the protects the sensitive coupling eye from dust, moisture and mechanical damage during travel or storage. This helps prevent wear and ensures smooth coupling.
Clean the tow ball regularly with a soft cloth and, for heavy dirt, mild soapy water. After cleaning, grease the tow ball with special towbar grease before coupling the trailer. This protects against wear and ensures quiet driving.
Practical tips for everyday use
The best accessories are only useful if you use them correctly. Here are some essential tips for everyday use.
The right order
A clear sequence has proven effective when preparing for a journey. Start by hitching up the trailer. Check that the lights and brakes are working. Then distribute the load evenly in the trailer. Next, use the nose weight gauge to measure the nose weight and adjust the load if necessary. Finally, secure the load and fit the trailer lock.
Storage and maintenance
Store unused accessories such as trailer locks or towbar covers in a clean, dry place. Regularly check mechanical parts such as locks to make sure they operate smoothly. A drop of specialist lock oil can help. Check towbar covers for cracks or deformation that could reduce their protective effect.
Buying advice and conclusion
Choosing the right accessories depends on how you use them. Our comparison will help you make the right decision.
What to look for when buying
First, check compatibility. Does the trailer lock fit your towball size? Is the towbar cover suitable for your type of towbar? Look for quality features such as well-made locks with drill protection, durable materials for towbar covers and a clear display on nose weight gauges.
Consider how you intend to use the accessory. Do you only use your towbar occasionally for holidays? Then a folding trailer lock is practical. Is your trailer often left unattended? In that case, a solid, fixed lock is the better choice. For frequent drivers, investing in an accurate digital nose weight gauge is worthwhile.
Our test recommendations at a glance
For optimum all-round protection and convenience, we recommend combining several components. A folding trailer lock like is practical for everyday use. A digital nose weight gauge like ensures precise loading. Protect the towbar with a suitable cover like and the trailer drawbar with a cover like .
Discover our wide range of suitable towbar accessories for every need. If you travel with a caravan or motorhome, you will find more inspiration in our Caravans & Motorhomes category. And if you are getting fully equipped for your next outdoor trip, you will find what you need in Camping & Outdoor.
The highest-rated towbar accessories in our range compared directly:
| Model | Customer rating | Availability |
|---|---|---|
| Trailer lock | – | Currently unavailable |
| Folding trailer lock with disc lock | – | Currently unavailable |
| Black towbar cover | – | Currently unavailable |
| Silver towbar cover | – | Currently unavailable |
| Trailer drawbar cover | – | Currently unavailable |
Frequently asked questions
- Which towbar accessories are required by law?
- No specific accessory is legally mandatory. However, you must ensure that your trailer is secured and that the nose weight is correctly distributed. A trailer lock is not required by law, but it is strongly recommended. Correct loading with aids such as a nose weight gauge is crucial for road safety.
- How do I protect my towbar from corrosion?
- Use a high-quality towbar cover made from durable plastic or rubber. It reliably protects the towball from dirt, moisture and road salt. Make sure it fits securely. Clean the towbar before putting on the cover. This will significantly extend the service life of your towbar and help maintain its functionality.
- What is the difference between a folding and a fixed trailer lock?
- A folding trailer lock, such as the model with a disc lock, offers greater convenience. It can be folded away when not in use and does not get in the way. Fixed locks are often more robustly constructed. The folding version is ideal for everyday users who want to keep the towbar clear regularly. Both types provide a high level of protection when they are good quality.
- Do I need a nose weight gauge for every trailer?
- Yes, checking the nose weight is useful for every trailer and every load. The correct load on the towbar is fundamental to driving stability. A digital nose weight gauge gives you precise readings. Simple mechanical gauges are also helpful. Do not rely on estimates, as even small deviations can negatively affect handling.
- Can I use a towbar cover with a trailer lock fitted?
- That depends on the model. Many towbar covers are shaped to fit over a mounted, low-profile trailer lock. Particularly thick or raised locks may cause problems. Check compatibility before buying. You will often find relevant information in the product details. If in doubt, choose a larger or more flexible towbar cover.