I've never seen the point of singlespeed on Brompton over 2 speed as you have to have a tensioner anyway and the weight difference is negligible
does the 2-speed have two front chainrings? My poor old brommie is a long time earlier than that.
@graunch started
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I've never seen the point of singlespeed on Brompton over 2 speed as you have to have a tensioner anyway and the weight difference is negligible