New Sturmey Archer 5 speeds
What's this new 'N' range all about? Looks like the Brompton 6 speed type of thing. . . how many sprockets/cogs are meant to fit on the driver? Is that how the Shimano system always looks, i.e. with enough space to adjust sprocket/chainline position or is this clearly intended to run 2 sprockets?
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Got links?
using the updated sheldon gears math engine that new 5 speed is adding 1v and 5v to an aw3 ratio set, for 2nd and 4th whereas the older 5 speeds tightened up the ratios. |
On the SA website there's a bunch of new 5 speeds that have a 9 spline type sprocket fitting, which look similar to the brompton double-sprocket driver.
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Originally Posted by chagzuki
(Post 13267137)
What's this new 'N' range all about?
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Originally Posted by chagzuki
(Post 13267137)
What's this new 'N' range all about?
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how many sprockets/cogs are meant to fit on the driver? planetary internal ratios are wider than the 4/3 and 3/4.. in the middle gears. they could have used the same driver that they fit in the BWR hub , but that is Idle speculation. see what the Hubstripping blog has to offer, Write the Importer/distribuitor, or call a shop that stocks both.. |
Originally Posted by Drdul
(Post 13270483)
In this one, for example, the image shows some sort of splined thingy on the right side where I assume the cog slips on, rather than threading on.
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The new S3x a fixed gear hub with 3 speeds , threads the splines,
so you can use a screw on freewheel. [Or a spline cog for using it , as a fixed gear] It is the lower 3/5ths of a 5 speed hub , 1:1 is the top gear White industries Dos is a 2 cogs machined out of one piece freewheel .. |
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