Originally Posted by
Elkhound
Would it be possible to replace the threespeed hubs on the trikes with seven- or eight-speeds? Or replace the front sprockets with ones with a better number?
Oh yes, very easy to do. The hang up comes finding a welder who can weld a sprocket to the hub
without destroying the hub or warping it. Once you get by that hurdle the rest is simple wrench
work.
As to the front sprocket....
Worksman offers the 23T as an even exchange for the standard 32T with a new 20T now also offered.
I'd have a new 8 speed if I could find a really good welder but alas none live near me.