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Are you looking for a competent expert to draw up an expert’s report about a bicycle, e-bike or pedelec? Is there the need to analyse material failure, to assess a loss, to determine values, to rate workmanship or to diagnose a material defect.

In 1994 graduate engineer Dirk Zedler was officially appointed and sworn in as bicycle expert (CCI Stuttgart) and has been acting in this function as a bicycle expert on behalf of the courts from Flensburg to Schoenau in the Black-Forest and from Dresden to Saarbruecken since this time.
Supported by a bicycle test laboratory which is state of the art and unique, extensive archives, there is no question relating to the topic bicycle left open.

Click media/publications to get an overview of all of our publications. Our lectures on conferences prove that we are always up to date with the latest developments in bicycle technology and on the bicycle market.

Feel free to contact us: info(at)zedler.de

Below we have listed for you an admittedly very small selection of our publications relating to the topic bicycle claims and media reports about us:

Bicycle expert Dirk Zedler criticises: Foundation impedes progress of safety by non-transparency

SAZbike, 15/2011

SAZbike spoke with bicycle expert Dirk Zedler (managing director of Zedler - Institut für Fahrradtechnik und –Sicherheit) about the latest e-bike test of the German foundation for comparative testing...

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Seat posts tested for TOUR on new Zedler testing system

TOUR 06/2011

In the laboratory of Zedler GmbH all in all twelve seat posts were tested comprehensively for the German magazine TOUR Das Rennrad-Magazin (issue 6/2011).

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Carbon - replacement or repair

TOUR 03/2010

It works - after all!

Cracks, defects or notches in carbon irritate cyclists: Is there a way to use components or the frame any further? And, is it possible to have damaged carbon parts repaired at a...

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Recalls in the bike sector

TOUR 01/2008

Hope Principle - Commenting on the subject of recalls in the bike sector

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Dirk Zedler officially appointed and sworn bicycle expert

TOUR 10/1994

Dirk Zedler, TOUR test engineer, was officially appointed and sworn in as bicycle expert by the Chamber of Commerce and Industry (IHK) Stuttgart on August 16, 1994.

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