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    Bearing inner diameter of a large idler wheel?

    What is the inner bearing diameter of larger derailleur idlers? Is it 8mm or larger? I see they have a large bearings, then static reducers are on both sides to fit the derailleur. I have a recumbent and it has plastic idlers to guide the long chain below the frame. The bolt through the idlers...
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    Building the Blue Goose bent trike

    This is the first post of converting a recumbent trike to eassist. Unexpected costs: 1. get a high output propane/mapp gas nozzle to build a frame for the battery 2. many, many connectors and multi-strand wire for everything Here is the trike before adding electric assist
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