Custom TriBSA motorcycle by Thorsten Schlesinger
It’s not uncommon for a custom build to have a few stories behind it. Sometimes a donor bike has a unique history, or maybe its parts are pulled from an unlikely source. But it’s not every day we find a builder who fabricates both the machine and the story behind it.

Meet Thorsten Schlesinger, the builder of the British hodgepodge you see here. Nicknamed ‘Ms Rosi Nante,’ it’s a stunning example of a classic TriBSA—a Triumph engine in a BSA frame.

Custom TriBSA motorcycle by Thorsten Schlesinger
Thorsten got the idea for Ms Rosi when he happened upon the remains of a 1949 BSA A7. He had the frame media blasted, then finished in olive green like the WWII bikes of the era. Looking at the military-inspired frame got Thorsten’s creative juices flowing, and before long he had created an entire universe for his build-to-be.…

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