2 speed quasi fixed gear setup, pedal normally for low gear, pedal backwards for high gear.
No_Improvement_5358 on
I believe this is a derailleur-less gear system, with the two sprockets on separate freewheel mechanisms. You have one gear pedalling forward, and another gear pedalling backwards, with the other sprocket freewheeling in each case.
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2 speed quasi fixed gear setup, pedal normally for low gear, pedal backwards for high gear.
I believe this is a derailleur-less gear system, with the two sprockets on separate freewheel mechanisms. You have one gear pedalling forward, and another gear pedalling backwards, with the other sprocket freewheeling in each case.
Edit-> it is this system I think: [https://en.wikipedia.org/wiki/Retro-direct](https://en.wikipedia.org/wiki/Retro-direct)