That depends entirely on the strength of the idler wheel and its attachement hardware. Many recumbents use such an idler to transfer the drive side of the chain so it is possible, if its built well, that the Circe idler will never throw a chain.Is the chain dropping off a real problem?
I've just borrowed one from Circe, and have just been out for a blat with a colleague. We're both pretty strong riders, and couldn't get the chain to come off when we tried (for purposes of experimentation).That depends entirely on the strength of the idler wheel and its attachement hardware. Many recumbents use such an idler to transfer the drive side of the chain so it is possible, if its built well, that the Circe idler will never throw a chain.
It's just not optimal, they've fitted that idler for no other reason than because it's cheaper that a proper tandem eccentric BB set-up. In my opinion they've compromised the performance and long term durability just to save a few quid and that leaves a bad taste.
Are the child seats specific to the Circe rack or is there a range of generic rack mountable seats? I'm familiar with the Hamax seatpost style ones but not rack mounted seats.What I like about the Helios is how flexible it is.
You can take the rear saddle off, fit that enormous rack and do a massive shop with it.
Or if you've got 2 small kids, you can do the above and put 2 seats on the back.
With one older kid and one younger, saddle back on, smaller rear rack and seat on that.
I wish I had room in my garage for one.
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