12 SPEED SIMPLEX Rear Derailleur Shifting Performance - Good As Shimano & Campagnolo!|4K

12 SPEED SIMPLEX Rear Derailleur Shifting Performance - Good As Shimano & Campagnolo! |4K - Used by French Vintage Bikes such as Peugeot , Giant, Mercier and etc.
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[@tranhai8895]

Hi, is Simplex Front Derailleur the first front derailleur in the world?

[@IvansBikesBmws]

No.

[@tranhai8895]

@@IvansBikesBmws when the first front derailleur was created?

[@darkshuttler6415]

​@@tranhai8895 Ask google

[@cancelik]

This is not 12s shifting. This is called 6s shifting. The sprockets the rear have matters.

[@IvansBikesBmws]

12 speed advertising on the frame but in reality 6x 2