Sambiase Yamaha RD500

Here we have a very fine and rare example of a Sambiase RD500! The French Sambiase brothers made a total of 8 frames and 15 swing arms. 

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Sambiase RD500

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The Sambiase brothers

Hindriks YZR500 replica's

Here we have some pics of 3 YZR500 replica's made by Menno Hindriks. These bikes are a work of art and have one of frames.
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Hindriks YZR500 replica
A vid of one of the bikes 
YZR500 replica