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.

DUNLOP
Bicycle lock

The bike lock from DUNLOP impresses with a comprehensive range of positive features. The appealing design gives the lock a modern aesthetic. The lock also impresses with its excellent build quality, which is reflected in its remarkable stability. Quick and easy installation is facilitated by the included instructions. The flexible functionality allows it to be used not only for bicycles, but also for e-bikes and e-scooters. The focus is on security-relevant aspects, with the lock having an extremely high security level. The convenient size makes it easy to handle in everyday use. In terms of durability, the lock proves to be extremely hard-wearing and resistant to the effects of the weather. The operating instructions are written in German and are easy to understand. The environmentally conscious orientation of the product is manifested in the space-saving, minimalist packaging and the avoidance of unnecessary packaging waste. Overall, the DUNLOP bike lock represents a sophisticated combination of design, security, functionality and environmental awareness, making it stand out as a versatile and high-quality security tool for various means of transportation.

Advantages

✅ Simple, pleasant handling
✅ Special fabric tape
✅ Also suitable for children
✅ High level of protection against thieves

Disadvantages

❌ None

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 protectionCarton is sturdy, product sufficiently protected100 points
Sustainability PackagingCompact product packaging, no unnecessary packaging waste. Plastic film is used for product safety, but could be replaced by alternatives.90 points
Package contents & scopeComplete100 points
Instructions for useWritten in German, easy to understand100 points
Total98 points
Weighting: 20%
*The maximum score is 100 points

The DUNLOP bike lock impresses our test institute with its effective product protection. The sturdy cardboard box ensures safe transportation, while the product itself is optimally protected. The sustainable packaging impresses with its compactness and the deliberate avoidance of unnecessary packaging waste. Nevertheless, the plastic film could be replaced by more environmentally friendly alternatives without compromising the safety of the product. The package contents are complete. The enclosed instructions for use are written in German and impress with their clear wording, clear pictures and additional tips. Overall, the DUNLOP bike lock is a well thought-out product that not only offers efficient product protection, but also scores highly in terms of sustainability and user-friendliness. Overall, the DUNLOP bike lock made a very satisfactory first impression.

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 design100 points
ProcessingVery good workmanship100 points
StabilityVery stable100 points
Sustainability of the productGood quality indicates a long service life100 points
Total100 points
Weighting: 20%
*The maximum score is 100 points

The bicycle lock from DUNLOP impresses with its attractive design, which gives the visual appearance a modern touch. The very good workmanship of the lock is evident in every detail, guaranteeing high quality. The careful selection of materials and the solid construction also ensure excellent security. This quality contributes significantly to the high stability of the product, which enables the bike to be reliably secured. The excellent workmanship and stability in turn indicate a long service life, which is an important contribution to the sustainability of the product. Overall, the DUNLOP bike lock is not only an aesthetically pleasing accessory, but also a robust and durable security tool for bike owners.

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*
AssemblyVery quick and easy to use100 points
FunctionalityCan be used for bicycles, e-bikes and e-scooters100 points
SecurityVery high100 points
HandlingComfortable size, the chains could be a little thicker to increase safety.90 points
DurabilityHigh resistance to weather influences100 points
Total98 points
Weighting: 45%
*The maximum score is 100 points

In our practical test of the DUNLOP bike lock, we found that it impresses with its quick and easy use, supported by the included instructions. The versatility of the lock extends to various means of transportation such as bicycles, e-bikes and e-scooters, which significantly increases its range of applications. In terms of security, the lock proves to be extremely reliable and achieves a high level of security, reassuring users and protecting their property.
The convenient size of the bike lock makes it easy to handle and practical for everyday use. However, consideration could be given to using a thicker chain to further increase the level of theft protection . Nevertheless, the lock shows impressive durability and weather resistance, which contributes to a long service life and underlines the robustness of the product.
In summary, the DUNLOP bike lock presents itself as a versatile, secure and durable security tool for various means of transportation that impresses in terms of both its functionality and reliability.

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 ratioVery good performance in the lower price segment90 points
Rating cut4.6 out of 5.0 on Amazon80 points
Total85 points
Weighting: 15%
*The maximum score is 100 points

The customer reviews on platforms such as Amazon show an average rating of 4.6 stars. Many customers appreciate the very good quality. However, there is also criticism of the length of the bike lock.

Prices of up to €32 are charged on the Internet for equivalent products. Very inexpensive products are available from as little as €15 . With a price of €16 .99, the DUNLOP bike lock is therefore currently in the lower price segment. For the quality and performance received, the price-performance ratio is very good.

Overall result

WeightingScore achieved*
1. packaging & contents20%98 points
2. product processing & appearance20%100 points
3. in the practical test45%98 points
4. price/performance & consumer ratings15%85 points
Total96 points
*The maximum score is 100 points
Bicycle lock
 of the brand 
DUNLOP
achieved
96
Points in our test and therefore passed. The test was carried out in the test period
03/24
and is stored in our database under the licence number
240313001
. 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 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.

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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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Our product evaluations are carried out exclusively through direct, on-site tests. This ensures a detailed and specific examination of the product properties. You can find more information about the test procedure here.

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