It’s a fact that a typical ‘bent needs wider and lower gearing than a typical upright bike.  Just how much wider and lower is a subjective, sometimes technical, and oft’ debated topic that can make large chunks of time vanish.  I’ll try to keep this brief.  I use Gear Inches in the following discussion because it is commonly used in trike specifications and it provides a good way to make relative comparisons between drivetrains.  Consult a Gear Inch Calculator to see how Gear Inches translate into speed.

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