Originally Posted by
emily01
I would recomend an erb (energy return bike). The ERB gives you a Mechanical Pedaling advantage by storing and releasing energy with every pedal stroke. I love this bike.
http://www.erbbike.com/index.html
The current version of the Slingshot, it seems.
....What would an ERB do for a bad back? The rider position is the same as a normal bike, and it's got no rear suspension (though I guess the frame is rather flexy.....).
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