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Thread: Remembering my old 3-speed got me thinking...

  1. #31
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    hozn is offline I really need to log off the internet and go for a ride.
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    This is awesome!

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  3. #32
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    Planetary bushings in comparison with the classic gearshift systems of a narrower range of gear ratios. The overall transmission ratio of the bushing does not increase in proportion to the number of gears.

    For example:
    The 3-speed planetary bushing Shimano Nexus has a total gear ratio of 186%.
    7-speed planetary Shimano Nexus has a total transmission ratio of 244%.
    The 8-speed planetary bushing Shimano Alfine has a total gear ratio of 306%.

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