Cult moped Holy Bastard”: Thuringian presents 20,000 euro Simson!

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On August 24th, 2025, Tony Möckel will present his extremely modified Simson S 51 at the “low DDR Meeting #4” in Western Pomerania.

Am 24.08.2025 präsentiert Tony Möckel in Vorpommern sein extrem modifiziertes Simson S 51 beim "low DDR Meeting #4".
On August 24th, 2025, Tony Möckel will present his extremely modified Simson S 51 at the “low DDR Meeting #4” in Western Pomerania.

Cult moped Holy Bastard”: Thuringian presents 20,000 euro Simson!

At the "low DDR Meeting #4", which took place in Stahlbrode organized by Ostblock MV, a particularly exclusive vehicle caused a stir - the Simson S 51 "Holy Bastard" owned by 36-year-old Tony Möckel from Wintersdorf, Thuringia. Tony worked on this extremely modified moped for over a year and a half and invested more than 20,000 euros in it. It's a lovingly put together project that doesn't contain any original parts and is not road legal, which gave him his own freedom in the conversion. The sad fate that inspired Tony gives the “Holy Bastard” an even more emotional dimension after he has to cope with a family loss.

“Holy Bastard” is not just a moped, but a tribute to the American stunt driver Ken Block, who tragically passed away in 2023. Tony wanted to create something unique and by increasing the performance to over 43 HP he shows what a Simson can achieve - significantly more than the original 3.7 HP. Bike bound highlights the technical details that make the moped so special: from the tailor-made 125cc engine with Rotax cylinder to the self-made belt drive.

Technical masterpieces

The conversion comes with various technical innovations, such as a billet housing, a 5-speed gearbox and a special 6-plate clutch. Equipped with two ATV radiators and a fuel tank redesigned to the dimensions of the Simson 550, the “Holy Bastard” offers exceptional performance. The driving experience is comparable to “a desert vole on steroids,” as Tony describes it. Weighing just 200 pounds, this moped is more agile than many would have expected, and the driving pleasure is further enhanced by 17-inch wheels with Brembo brakes and Continental racing tires.

The Simson mopeds, especially the S 51, have a high status in the cultural scene. They are very popular because of their robustness, simple technology and nostalgic look. Despite the officially approved top speed of 60 km/h, they are a popular basis for tuning measures. Tuning blog reports that the replacement of cylinders and carburetors as well as individual optical tuning are particularly widespread among Simson enthusiasts.

A goal in mind

The enthusiasm for the modified Simson scene aims to appeal to younger generations, which is also a personal goal for Tony. His side business “unmoecklig_designs” specializes in such conversions. After selling his previous project, the Orange Monster, Tony is now focusing on the Holy Bastard, with the goal of potentially bringing it to the US and becoming part of the Hoonigan scene.

Tony describes the value of the combination of labor and parts used as priceless, showing that he is not just about the money, but about the emotion and passion that goes into his conversions. His potential intention to sell the “Holy Bastard” is therefore not just a question of price, but a step towards securing liquidity while at the same time promoting appreciation for the culture and history of these unique vehicles.

The meeting in Stahlbrode, at which 180 modified Eastern vehicles are presented, is a living example of the enthusiasm that exists in the tuning sport and among fans of Simson mopeds. It makes it clear that despite the years that have passed, the fascination for the classics of the former GDR has not waned.