Efneo 3 gears solution on folding bikes

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bikegang

Mod before ride, my bike my style...
Looks promising, has anyone with experience ?

Gear Ratio Teeth equivalent for 28T
1st 1:1 28T (phisical chainring size)
2st 1:1,43 40T (phisical chainring size)
3st 1:1,79 50T (phisical chainring size)

They have Brompton version, Strida one needs modification on speed drive BB adapter.

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efneo_S_12.jpg

efneo_S_13.jpg
 
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