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3

You can use whatever cranksets you like and have available. But tandems need either an eccentric bottom bracket on the front, OR a chain tensioner in order to set the tension on the link/timimg chain. 1.1. If you are only pootling around on the flat then perhaps the loss of the front chainring is acceptable. But any hills or a good stiff headwind and ...


2

It's definitely possible to do #1, although you need to match the bolt pattern and bolt circle diameter (BCD). That's a common change for many cyclists. If you're running both chains on the right hand side standard cranksets are all you need (this is typically why people do that) Chainline is important, and typically you would put both idler chainrings on ...


1

Any cranks should do, as long as you can attach two chain rings to the rear spider. My guess is that chainline is unlikely to be an issue if it differs by up to 30mm, as it's a longer run than on, say, a dérailleur system which seems to cope fine with offsets of at least 30mm. What you will need to watch is that the two chains are narrow enough that they ...



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