Fastest motorcycle wheelie on a tightrope

According to Official Guinness Records,

The record for the fastest motorcycle wheelie on a tightrope is 53 km/h by Johann Traber (Germany) achieved in Flensburg, on the Tummelum Festival on 13 August 2005.
Johann Traber used a solid trapeze attached to the motorcycle with a person sitting on it to balance the motorcycle. Riding on one wheel (back wheel) he reached a height of 40 m. The speed was taken by the traffic police with a radar-laser speed measuring machine .

For a complete list of Unknown date records, please visit Unknown date Guinness Records in Germany.

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