Bicycle Sealing Solutions for the rise of pedal power

Bicycle – A brief history of pedal power There are several unverified claims for the invention of the Bicycle. The earliest claim is a sketch attributed to Gian Giacomo Caprotti. A a pupil of Leonardo da Vinci, the sketch dates back to 1534. Widly dismissed as a fraud the authenticity of the sketch is vigorously maintained by followers of […]

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