Friday, May 1, 2009


Have a look at the transmission on this old bike:

See how it works? Might be clearer on this diagram:

You pedal forwards normally to use the high gear, and if needed pedalling backwards uses a much lower gear.
Quirky and simple French engineering.

A loose translation of the ad below is - "Different ways to get up hills: smiling, with retro-directe; sweating blood and tears, with a single speed; or on foot, pushing your bike!"

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