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.

AARON
Bolt handcuff lock

The Bolt handcuff lock from the Aaron brand is a high-quality and sturdy safety lock for e-scooters. The product is versatile and can also be used to secure scooters, bicycles or baby carriages, for example, depending on requirements. The quality and workmanship of the lock should be emphasized positively. The 15 mm thick steel chain inside is resistant to cutting, hammering, sawing and drilling and therefore offers theft protection. Only durable materials were used in the manufacture of the product – it is made of stainless and hardened steel. To ensure that the e-scooter to be protected does not get scratched, the clamps and chain of the lock are coated with nylon. Three keys are included in the scope of delivery, which work on both sides and therefore make locking very easy. The adjustable size ensures a high degree of flexibility – the diameter of the clamps can be set between 74 and 85 mm as required. The handcuff lock is kept in an unobtrusive black.

  • Particularly theft-proof (cut, hammer and saw resistant, drill-proof)
  • Durable materials
  • Versatile (also suitable for bicycles, baby carriages etc.)
  • Convenient handling
  • somewhat heavy

The first impression

Packaging and contents

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?

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?

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Product protection

Carton is sturdy, product sufficiently protected

100 %

Points

Sustainability Packaging

Unnecessary packaging waste has been avoided, the plastic film protects the product components

100 %

Points

Package contents & scope

Lock, three reversible keys, chain guard, instructions for use and card with support contact information

100 %

Points

Instructions for use

Detailed instructions for use in German and other languages

100 %

Points

TOTAL

100

Points

Weighting: 20%
*Themaximum score is 100 points

The AARON Bolt handcuff lock was delivered in a small, compact cardboard box. The product is adequately protectedand there was no unnecessary packaging waste. The package contained the lock, the chain guard and the three reversible keys, so all the necessary product components for using the product are included and the product scope is complete. In addition to a card with a team photo and support contact information, the product box also contains detailed instructions for use in German and other languages.

The first time in your hand

Product processing and appearance

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?

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?

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Visual appearance

Attractive design

100 %

Points

Processing

Very good workmanship

100 %

Points

Stability

Very stable

100 %

Points

Sustainability of the product

Stainless according to the manufacturer, use of high-quality materials

100 %

Points

TOTAL

100

Points

Weighting: 20%
*Themaximum score is 100 points

When you hold the Aaron Bolt handcuff lock in your hand for the first time, you immediately notice its weight. At 1.5 kg, the lock seems quite heavy at first, but due to the materials used, it can be assumed that the weight of the product can hardly be reduced. Due to its size, the lock is easy to transport and can be taken anywhere if required. The chain of the lock feels very robust and stable and has a coating. The surface of the handcuffs has a rubber-like coating, which indicates that the product can be used safely without leaving scratches on the e-scooter. The three reversible keys supplied also look high-quality and the fact that not just one key but a total of three keys are included with the product is very well thought out. In the event that one of the keys is lost, the two remaining keys are still available to the buyer. The first impression of the handcuff lock is very positive.

This is what our practical test showed

Does the manufacturer keep its advertising promises?

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.

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.

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Security

Cut, hammer and saw resistant, drill resistant

100 %

Points

Material & construction

Armored link chain, stainless steel and protective coatings/nylon fabric cover, double reinforced shackle

56 cm long, 23 cm of which is the length of the link chain

100 %

Points

Durability / weather resistance

Stainless, robust materials

100 %

Points

Locking mechanism

Reinforced clamp, links can engage in two stages (74 and 85 mm)

100 %

Points

Transportability

Very heavy, but easy to transport due to flexibility

90 %

Points

TOTAL

98

Points

Weighting: 45%
*Themaximum score is 100 points

We tested the Aaron Bolt handcuff lock on a bicycle . Overall, the handcuff lock offers optimum protection thanks to its resistance to cutting, hammering, sawing and drilling. The high-quality materials are rustproof and therefore weatherproof and made a robust impression in the test. A particularly positive feature is the 23 cm long armored link chain, which can be rotated very flexibly, making it very easy to lock the bike. A nylon fabric is attached over the chain to prevent scratches on the bike. The solid, rubber-like coating of the reinforced clamps also helps to protect the surface of the bike. The locking mechanism is very practical – the links can be locked in two stages so that the diameter of the handcuffs can be set to 74 or 85 mm as required. The handcuffs can be opened and closed quickly and easily. Due to its overall length of approx. 56 cm and its flexibility, the lock is very easy to transport. The weight of 1.5 kg seems quite heavy at first, but does not have a negative effect on transportation. Overall, this is a high quality product and it can be assumed that the handcuff lock is durable. The design, which allows it to be used in a variety of ways on e-scooters, bicycles, baby carriages or even scooters, should also be emphasized positively.

Price/performance ratio

and ratings from consumers

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.

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.

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Price / performance ratio

Very good performance in the mid-price segment

80 %

Points

TOTAL

80

Points

Weighting: 15%
*Themaximum score is 100 points

Prices of up to €69.99 are charged on the Internet for equivalent products. Very affordable products are available from as little as €50 . The Bolt handcuff lock from AARON is therefore currently in the middle price segment with a price of €59.99. For the quality and performance received, the price-performance ratio is very good.

Overall result

1. packaging & contents

20%

100 %

Points

2. product processing & appearance

20%

100 %

Points

3. in the practical test

45%

98 %

Points

4. price/performance & consumer ratings

15%

80 %

Points

TOTAL

96

Points

*Themaximum score is 100 points

Bolt handcuff lock
of the brand
AARON
achieved
96
Points in our test and therefore passed. The test was carried out in the test period
04/24
and is stored in our database under the licence number
240031409
. 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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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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