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MrE
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I am hoping to convert my single speed foldy bike to 1x7 gears (it is my most aesthetically undesirable, but seemingly most useful bike). It has served me well on and off for the last year. But the current gearing is cack, and the chainline is awful so it's noisy.
Decathlon already sell pretty much the same bike with 6 speeds, but I'd like to use 7 as I think it will give me a few more shifter and derailleur options to choose from...?
The frame already has the various bits and pieces needed for cable routing, plus a derailleur hanger. The rear wheel has a single sprocket screw on freewheel which can be removed, and, presumably a replacement block screwed back on in it's place.
TLDR / here's where I'm stuck :
will a 7 speed screw on freewheel fit the hub ok, bearing in mind OLD is 130mm. Or should I stick to a 6 speed (boo) setup much like the ones they already sell?