All about bicycles, electric-assisted bikes, technology and safety in the press

The most common safety risks that we come across in our daily work around bicycle safety, technology and operating instructions are also published by us in articles in the leading German special-interest magazines TOUR (Europe's road bike magazine no. 1), BIKE (Europe's mountain bike magazine no. 1), MYBIKE and EMTB in order to make this information, which is important for the industry, available to a wider public.

For many years now, the Eurobike Show Daily, trade fair magazine of the annual Eurobike Show, has also given us the opportunity to publish our view of major developments in the cycle industry in full-page articles.

We also speak regularly in independent expert presentations about all areas of bicycle technology and the bicycle market. In addition, we are quoted by further special-interest magazines of the industry and the trade as well as increasingly by radio and television in their media reports, which shows us that we are spot on with our advice. The section "News" informs you about the latest news from our specialist areas. The reports and publications of this section are listed chronologically or according to areas of interest.

Cyclinfo, 2013/01/28
Reading time 2:00 minutes

New safety seal

There is a new label for the safety of frames and components classifying reliability in four different levels for different bicycle types. Behind it is one of the most renowned European testing institutes in the bicycle sector.

From now on the Zedler institute issues test seals for successfully passed tests of frames and components of mountain bikes, road racing, trekking and e-bikes. The new test seal series is available in altogether four levels. The components have to withstand different amounts of load to obtain the respective award. The common EN safety standards serve as basis which must be fulfilled to obtain the seal of the lowest level (safety seal, grey). The requirements are accordingly higher for the three following levels bronze, silver and gold.


The different graduations of the new test seal issued by Zedler

Practice-oriented testing
Particular attention deserve the seals from the silver level on. According to Zedler, this category was introduced to meet higher loads acting on mountain bikes and e-bikes. Perfect product safety is crowned with the gold label. To obtain this seal a component must pass multiload tests developed by Zedler. "Multiload stands for block program tests reflecting reality much clearer than common single-step tests do, e.g. the EN standard", explains Zedler in the letter of announcement of the new service.

Strictest test standard in development
Today, multiload is already available for handlebars-stems and for seat posts, as both the research and the wealth of experience make such a requirement possible. Managing director Dirk Zedler looks ahead to the future: “In consideration of the latest research results we are currently working on offering multiload also for forks and frames in the near future".

The new seals are based on the testing services offered by Zedler since many years.

The new offer is directed at the manufacturers of bicycles and components who wish to promote their quality towards their customers. After the load test was passed successfully on the respective level, the test seal can be labelled to the products. For this purpose Zedler offers a customization service including brand name and type of the component tested.

For the new service the Zedler institute with its head office in Ludwigsburg can draw on nearly twenty years of experience in the field of technical testing of bicycles and bicycle components. The company is among the few officially certified bicycle experts in Germany. Besides Zedler develops tests for the industry and independent magazines, such as TOUR and bike, and also performs these tests upon request. In addition, under the guidance of founder Dirk Zedler the company has been building test stands and written user manuals for bicycles for more than 15 years.

Author: Urs Rosenbaum

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