Films showing the bicycle test laboratory, the Expert’s Report division GDFS – Gesellschaft der Fahrrad-Sachverständigen mbH and Zedler – Institut für Fahrradtechnik und -Sicherheit GmbH.
The Zedler TV films will give you an insight into the work of the bicycle and e-bike experts, the test engineers, the bicycle mechanics and the experts of the technical documentation for bicycles.
Thursday, October 28, 2021
“How much e-bike do you get for little money?” Three e-bikes for less than 1000 Euros in the test.
Tuesday, May 25, 2021
Random e-bike workshop test with e-bikes that were taken to service after several years of use.
Tuesday, September 22, 2020
Dirk Zedler explains which bike rack system is most suitale for which type of vehicle.
Tuesday, September 22, 2020
Subject of the programme: safety and usability of bike racks for cars. Dirk Zedler provides information and explains where material, construction or operating errors may occur.
Tuesday, August 12, 2020
Do you get good quality at a low price or disposable products? Decathlon-bicycles on the testing systems of Zedler-Group. Dirk Zedler evaluates the test results.
Tuesday, May 19, 2020
"Cycling without risk": Dirk Zedler gives tips and tricks on how to make your bike fit for spring.
Wednesday, May 6, 2020
What’s the difference between a bicycle and an electric-assisted bike and what characterizes a good bike? This question was raised by host Yvonne Willicks in her German TV show "Haushalts-Check".
Tuesday, September 25, 2018,
Tuesday, July 30, 2019,
Tuesday, May 26, 2020
Finding a parking lot everywhere, avoiding the jam – the dream of every car driver has already become true for cyclists. But with which bike do you have most fun?
Thursday, July 5, 2018
Retiree bikes, as if! Around 300,000 souped-up e-bikes are allegedly rolling on Germany’s roads. Sometimes they are caught at speeds of nearly 70 kmh/44 mph. (...)
Tuesday, May 22, 2018
Safety risks due to assembly and quality deficiencies - Low-priced bicycles from Real, Lidl, Decathlon and Otto pose major risks: In parts, the assembly manual is missing, (...)
Monday, June 26, 2017
Electric bicycles, also referred to as e-bikes or electric-assisted bikes, become more and more popular. Cycling is less physically demanding as with a common bicycle.
Thursday, June 16, 2016
On your motorcycle you feel like an "easy rider"? Or do you prefer mountain bikes?
Wednesday, May 18, 2016
Especially in the German state North Rhine-Westphalia, number one of congested regions and in a city like Cologne where car drivers spend all in all 65 hours per year in traffic jams, switching to the bicycle could be reasonable. (...)
Wednesday, April 27, 2016
We test cheap bicycles from the discount store - and unveil devastating safety deficiencies! Other topics: (...)
Monday, April 18, 2016
By order of the German TV program "Markt" experts examined the bicycles in a laboratory specialized in bicycle technology in Ludwigsburg in accordance with current test standards. (...)
Monday, November 16, 2015
Interview with Dirk Zedler
Monday, August 3, 2015
Bicycles are on sale in the DIY store and in the discount store for less than 250 Euro. In most cases the low priced bicycles are preassembled: The buyer needs to mount the pedals, tighten the bolts and bring the handlebar in the correct position. (...)
Monday, July 7, 2014
A bicycle manufactured in Germany costs almost 600 Euro, one made in China around 200 Euro. What’s the reason for this difference in price and what does this mean for the quality? (...)
Monday, July 10, 2013
Bicycles with auxiliary motor - also referred to as e-bikes - enjoy great popularity. Some e-bikes, however, reveal considerable safety deficiencies and are apparently not checked often enough. (...)