📍 Thuringia / built in garage, tested on Landstraße

Here’s a complete forum-style post draft for the – covering design, printable parts, and tuning logic. You can adjust the tone (more technical or more casual) depending on your platform. Title: Simson Tuning Werkstatt – 3D printable mods for Schwalbe, S51, KR51, etc.

Ride safe – and keep those 2-strokes smoky.