About Us

Prüfengel offers authentic consumer tests in which real users share their experiences with products. Our tests are based on practical applications in everyday life and reflect the opinions of consumers. As we focus on consumer tests, we do not carry out material, long-term or laboratory tests. Our aim is to provide honest feedback to help you make a purchasing decision. For a detailed insight into our comprehensive evaluation process, which forms the basis of all our product reviews, please click here.

Karl Drais
Bicycle bell

The bicycle bell from Karl DRAIS® is a practical and elegant bicycle accessory that not only attracts attention, but also increases safety when cycling.
The bicycle bell impresses with its unique dinosaur design, which is particularly appealing to children.
Fitting the bell is very easy. It is attached to the handlebars with just two screws and is suitable for handlebars with a diameter of 22 mm.
The bell is also UV-resistant, weatherproof and therefore durable.
This bell meets the highest standards in terms of both riding experience and safety. Its sound quality ensures that it is not overheard , which is crucial in road traffic.
Conformity with EU standards and the 30-day money-back guarantee should also be emphasized.
Overall, the bicycle bell from Karl DRAIS® not only impresses with its appealing design, but also with its easy installation and high quality.
A great choice for parents who want to increase their children’s safety while cycling and add a touch of adventure at the same time.

Advantages

✅ Loud ringing noise
✅ Attractive design
✅ Simple installation

Disadvantages

❌ No printed installation instructions available
❌ Slight damage to the doorbell

The first impression

Packaging and contents

ℹ️ Here we take a closer look at packaging. Sustainability is becoming an increasingly important factor. In addition, adequate protection of the product must of course also be guaranteed. Are the contents of the packaging complete and does the manufacturer make it as easy as possible for me to use the product straight away?

CriterionRemarkScore achieved*
Product protectionProduct compactly packaged, product insufficiently protected (scratches on the bell)70 points
Sustainability PackagingNo unnecessary packaging waste was avoided, no use of plastic100 points
Package contents & scopeAll parts of the product and the accessories according to the description available100 points
Instructions for useProduct largely self-explanatory, specified link to instructions incorrect, instruction video only available on Amazon80 points
Total88 points
Weighting: 20%
*The maximum score is 100 points

The bicycle bell from Karl DRAIS® is compactly packaged. This saves space and protects the environment as unnecessary packaging waste is avoided.
However, the product protection was not optimal. When we removed the bell, we noticed scratches on the surface and thus damage to the motif.
This is a clear disadvantage, as a product in perfect condition is expected. Better padding or a protective cover could possibly remedy these problems and increase customer satisfaction.
On a positive note, there was no unnecessary packaging waste in the packaging and no plastic was used.
The contents of the package also fully corresponded to the product description.
All the parts ordered were present so that the product could be used without any restrictions.
The operation and assembly of the bicycle bell proved to be largely self-explanatory, which increases user-friendliness. However, the link to the instructions provided could not be found.
However, an instruction video is available on Amazon.
This only restricts customers who prefer other sources of information.
There may therefore be room for improvement here to ensure that all customers can access all the necessary information if required.
In summary, the Karl DRAIS® bicycle bell offers environmentally friendly packaging and complete packaging contents. However, product protection and the availability of instructions for use could be improved to further increase customer satisfaction.

The first time in your hand

Product processing and appearance

ℹ️ Before we start the practical test, we take a close look at the workmanship of the products. How high quality are the materials used? Are the look and feel satisfactory?

CriterionRemarkScore achieved*
Visual appearanceAttractive design, good visual appearance, slight superficial defects75 points
ProcessingVery good workmanship100 points
StabilityVery stable100 points
Sustainability of the productDurable materials (no plastic), EU compliant, 30 days money back100 points
OtherInformation about the origin of the brand name100 points
Total95 points
Weighting: 20%
*The maximum score is 100 points
All components of the product

The bicycle bell from Karl DRAIS® comes in an appealing dinosaur design that is sure to appeal to children in particular.
The visual appearance is generally very appealing. However, slight damage was found on the surface of the bell itself. This tarnishes the overall impression somewhat.
Nevertheless, the colors are strong and appealing, which makes the product attractive.
The workmanship of the bell is of a very high quality.
The surface is smooth and even, without sharp edges or unclean transitions. This contributes to user-friendliness and prevents possible injuries.
The bicycle bell is also very sturdy as it is made of metal. This ensures that it can withstand the demands of intended use, even under harsh outdoor conditions.
The fact that the bell is made of durable materials that are weatherproof and UV-resistant according to the manufacturer also contributes to this. This means that a long service life can be expected.
In addition, all EU standards are met, which speaks for additional safety and quality.
The offer of a 30-day money-back guarantee underlines the manufacturer’s confidence in the quality and durability of its product and is very customer-friendly.
Furthermore, a small piece of information about the origin of the brand name Karl DRAIS® is included, which also reinforces the overall positive impression.
In summary, the bicycle bell from Karl DRAIS® offers an appealing design and high-quality workmanship. The stability and durability of the product is remarkable. Only the slight damage tarnishes the otherwise positive overall impression a little.

This is what our practical test showed

Does the manufacturer keep its advertising promises?

ℹ️ Our practical test has the highest relevance and therefore weighting. Here, the product has to undergo a wide range of criteria and tests. We check the functions and product promises of the test article.

CriterionRemarkScore achieved*
AssemblyUncomplicated and quick, with a standard Phillips screwdriver100 points
Volume of the bellSufficiently loud, bright and clear sound100 points
DurabilityResistant material100 points
Versatility of applicationAlso suitable for adult bikes100 points
OfferTwo more designs available100 points
Total100 points
Weighting: 45%
*The maximum score is 100 points

The bicycle bell from Karl DRAIS® can be fitted very easily and quickly using a standard Phillips screwdriver. This made it easy to fit without any special tools. The bell could be attached to the handlebars easily and efficiently using the two screws supplied.
The bicycle bell also impresses with a sufficient volume and a clear, bright sound.
This feature is crucial to attract the necessary attention in road traffic and, above all, to ensure the safety of children.
Thanks to the use of robust material instead of plastic, the bell is extremely durable.
In tests, for example, it proved to be remarkably resistant to falls and various weather conditions. It is therefore well equipped to withstand the stresses and strains of daily use.
The bicycle bell also proves to be extremely versatile and is suitable not only for children’s bikes, but also for larger bikes. This flexibility makes it an excellent choice for the whole family.
In addition to the dinosaur design, two other motifs are available. This allows parents and children to choose the bell that best suits their individual style and taste.
Overall, the bicycle bell from Karl DRAIS® combines easy installation, sufficient volume, robustness, versatility and an attractive selection of designs. This makes it the ideal choice for safety and riding fun for children and adults alike.

Price/performance ratio

and ratings from consumers

ℹ️ Finally, we examine how the product compares to the competition. Can it keep up with the competition in terms of price and quality? Would we generally recommend buying it? We also look at the consumer reviews and check whether the critical and positive reviews are actually justified.

CriterionRemarkScore achieved*
Price / performance ratioGood80 points
Rating cut4.3 out of 5.0 on Amazon65 points
Total73 points
Weighting: 15%
*The maximum score is 100 points

On the Amazon platform, consumers rate the product with an average of 4.3 stars.

It is often positively emphasized that the bicycle bell is not only visually appealing, but also offers a reasonable volume.
Customers appreciate the robustness of the product.
The simple assembly and fast delivery are further plus points highlighted by satisfied customers.
However, there is also criticism. The bell is considered too expensive compared to similar products without a motif.
Another criticism is that it does not always achieve the desired volume in real-life road use.
In our own practical test, we found that the bike bell performs well in terms of installation, volume and robustness, which confirms the positive customer reviews. However, potential buyers should consider their individual design requirements before making a purchase decision.

Prices of up to €20 are charged on the Internet for equivalent products. Very cheap products are available from as little as €6 . The Maxeez swim cap is therefore currently in the lower price segment with a price of €7.69. For the quality and performance received, the price-performance ratio is good.

Overall result

WeightingScore achieved*
1. packaging & contents20%88 points
2. product processing & appearance20%95 points
3. in the practical test45%100 points
4. price/performance & consumer ratings15%73 points
Total93 points
*The maximum score is 100 points
Bicycle bell
of the brand
Karl Drais
achieved
93
Points in our test and therefore passed. The test was carried out in the test period
10/23
and is stored in our database under the licence number
230911002
. Further information on our test procedure can be found at www.pruefengel.de/testverfahren.

The practical tests are based on careful observations and do not include long-term or laboratory tests. The test judgements reflect the personal impressions and opinions of the testers who try out the products in everyday use. We would like to emphasise that these evaluations do not claim to be exhaustive and may reflect both subjective and objective impressions. The evaluations are made to the best of our knowledge and belief, without any liability being assumed for the accuracy or completeness of the test results. It is important to note that our tests are not based on legal requirements, medical effects or specific ingredients of the products. We rely on the advertising claims and information provided by the manufacturers, but use of the information is always at your own risk. Our efforts are aimed at ensuring a serious and thorough testing procedure, which has been developed in a long and professional process in close co-operation with our testers.

The practical tests are based on careful observation and do not include long-term or laboratory tests. The test ratings reflect the opinion of our experts and are based on careful analysis. We would like to emphasize that these evaluations do not claim to be exhaustive and reflect both subjective and objective impressions. The assessments are made to the best of our knowledge and belief, without any liability being assumed for the accuracy or completeness of the test results. It is important to note that our tests are not based on legal requirements, medical effects or specific ingredients of the products. We rely on the advertising claims and information provided by the manufacturers, but use of the information is always at your own risk. Our efforts are aimed at ensuring a reputable and thorough testing process, which has been developed in a long and professional process in close cooperation with our experts.

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Evaluation process

You can find a detailed insight into our evaluation process, which forms the basis for our product ratings, here:

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