gosh I think the only way to do this is try as many as you can, I have both siadica, if that's how you spell it, too lazy to look it up, anyhow, bad back herre too, but I can still pedal, I myself would suck it up and go down to OEX and demo everything they have until you felt comfy, and I would bring my yak, and try them in the bay...make a day of it, bring a rod and some plastic...IMO
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