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Gripshift to trigger shift - internal hub (Shimano Nexus 3)

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Gripshift to trigger shift - internal hub (Shimano Nexus 3)

Old 01-23-19, 11:04 AM
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DrShivaYash
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Gripshift to trigger shift - internal hub (Shimano Nexus 3)

Dear all,
I'm new here so forgive such a basic question.
I have a new to me Azor bike with a three-speed Shimano Nexus hub. I hate gripshifters so would like to convert to a trigger. BUT I cannot find anything compatible... surely I can't be the only one to desire such a basic thing?

With best wishes,
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Old 01-23-19, 12:45 PM
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Dan Burkhart 
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I think Microshift May make something for the Nexus 3 speed, but good old Sturmey Archer makes a Shimano compatible 3 speed thumb shifter. https://www.amazon.com/Sturmey-Arche.../dp/B0054ECMS0
Note that a shifter for a Sturmey Archer 3 speed is not compatible.
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Old 01-24-19, 12:54 PM
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I, as a 10 year old*, managed to shift my 3 speed with a friction shifter,, you just have to get 2nd learned, , the other 2 are at the limits fully taut or slack.

*1957 ...
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Old 01-25-19, 08:41 AM
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I have got my hands on the sls30 - it seems to work but I'd be interested in knowing what the difference between this and the other link posted are.
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Old 01-25-19, 08:55 AM
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I've installed the shifter without issue but after getting the alignment spot-on - I find it 'changes' in the alignment window by a 1mm when shifting down, that is from three to two. Shifting up is fine - the alignment marks are spot-on.

Question arising from this, will poor alignment, by 1mm or just over, causing premature wear on the hub?

With thanks,
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Old 01-25-19, 08:55 AM
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Originally Posted by fietsbob View Post
I, as a 10 year old*, managed to shift my 3 speed with a friction shifter,, you just have to get 2nd learned, , the other 2 are at the limits fully taut or slack.

*1957 ...
Sorry but I have no idea what you are referencing.
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Old 01-25-19, 04:18 PM
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fietsbob 
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3 speed hubs. how they work..


.
. will poor alignment, by 1mm or just over, causing premature wear on the hub?
Time will tell ... wait 20 years and check back & report.. perhaps service it once or twice in that time frame and inspect it ?





...

Last edited by fietsbob; 01-25-19 at 04:23 PM.
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Old 01-26-19, 12:29 AM
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Originally Posted by fietsbob View Post
3 speed hubs. how they work..


.

Time will tell ... wait 20 years and check back & report.. perhaps service it once or twice in that time frame and inspect it ?





...
haha - so nothing to worry about then.
thx
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Old 01-30-19, 09:14 AM
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Doesn't a IGH require 2 cables, one to pull from either direction, to shift up or down? If so then a single-cable shifter that normally relies on a spring in a derailleur will not work.
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Old 01-31-19, 06:06 AM
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Dan Burkhart 
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Originally Posted by PatrickGSR94 View Post
Doesn't a IGH require 2 cables, one to pull from either direction, to shift up or down? If so then a single-cable shifter that normally relies on a spring in a derailleur will not work.
The only widely available current production hubs with two cables are Rohloff, and Nuvinci CV hubs. All others are single cable pull with spring return.
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