Interesting spring suspension of the bicycle

Interesting spring suspension of the bicycle. Never seen before.

Interesting spring suspension of the bicycle

The most breathtaking photos from construction of skyscrapers in new York (29 pics) In 1884 in Chicago began construction of the first skyscraper. It was as much as 10 floors! However, in the beginning of the next century 10-storey bu...
A wonderful dad showed concern for his son A wonderful dad showed concern for his son. "Children, I will show you my skills" :) https://www.youtube.com/watch?v=p-QMdM7N3d4
Let’s get acquainted! Let's get acquainted! Acquaintance with the deep-sea world. https://www.youtube.com/watch?v=fyWgi0j3xpQ
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