Originally Posted by
ThermionicScott
I've seen recumbents with what appeared to be an additional rear derailleur cage mounted to the boom tube. It helped to keep the chain off the ground and articulated to take up more chain slack. Looked sort of like this:
(from https://softsolder.com/2010/09/01/im...ain-tensioner/)
It was a neat solution, I figured it was a pretty common thing to do. Maybe not?
That's an idler on a Tour Easy two-wheel recumbent (I had one a few years ago- one in a series of recumbents). Other recumbents have similar arrangements in order to take up excess chain when the boom length is adjusted.
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Jeff Wills
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