Two-bicycle, side-by-side, quadricycle tandem



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Moosh:)

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I'm thinking of buying two cheap ladies mountain bikes and lashing them together like the "granny
bike". My better half can't ride a bike, and my arferitus makes getting on a permanently upright
bloke's bike impossible (you should see me getting on and off my MTB :) Anyway, I was thinking of 2'
2" between the frames (leave 2" between the handlebars anyway) and I haven't a clue yet what
Ackerman angle to incorporate into the steering (around 40 degrees between the two steering arms at
straight ahead?) What minimum specs should I look for in the two bikes? I suspect alloy rims,
stainless spokes, and would steel or ally frame be more robust where I clamp the cross ties on the
headstock and rear downstays? Any suggestions greatly appreciated.

Moosh:)
 
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