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Sturmey Archer Hub and Down Tube Shifter ?

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Sturmey Archer Hub and Down Tube Shifter ?

Old 02-19-09, 09:59 AM
  #1  
Guy Yinon
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Sturmey Archer Hub and Down Tube Shifter ?

Hi,
I just wanted to know if its possible to use a down tube shifter (friction, not indexed) with a 3 speeds sturmey archer hub ?
Will love to see some pictures
Thanks
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Old 02-19-09, 10:02 AM
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I havent seen a DT shifter used, but I believe Nlerner has a bike with the three speed "trigger" shifter mounted on the drop portion of a bar. Not exactly what you're looking for but he also may know the answer. Hopefully he'll chime in.
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Old 02-19-09, 10:51 AM
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Sure, you can do it as long as you can figure out the cable routing. The problem with using a non indexed shifter is that you will have to learn by feel where to position the shifter for proper gear engagement. You could get the hub into a "neutral" position between second and third or if the gears aren't engaged properly they could slip if you are standing on the pedals which could prove to be painful.
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Old 02-19-09, 11:13 AM
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I do have my Raleigh Super Course set up with the trigger in the traditional "club" style below the brake lever. And over the last few years, I've seen some examples of triggers mounted to a downtube cable boss. Here's an old BF thread on the topic, including lots of input from Sheldon Brown:

https://www.bikeforums.net/commuting/337629-internal-hub-downtube-shifter-sturmey.html

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Old 02-19-09, 11:15 AM
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Sheldon said it can be done! Give it a shot and if you have a chance, please tell us how it works out for you.
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Old 02-19-09, 11:28 AM
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I did it with my Nexus 8, though many people said I couldn't, or rather, I shouldn't.

Friction shifting took on a whole new meaning as the ability to "feel" true engagement became vitally important. But like most things, a little practice and it comes...

That said, quick shifts are difficult in a racing situation, but I don't find myself in that situation....ever.

At least not on this bike.



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Old 02-19-09, 04:25 PM
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who's got that red traveler with the friction ****er on the seat tube.
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Old 02-19-09, 04:26 PM
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I don't think I misspelled shifter
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Old 02-19-09, 05:35 PM
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I used a pair of stem shifters on my home-made dual-drive (S/A AW hub and a couple of ground-down 7-speed cogs). The dead-spot problem wasn't all that bad- First was all the way out, third was all the way in, and second was halfway between. I rarely landed in the freewheel spot after very little practice:



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Old 02-19-09, 06:13 PM
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Ah, I tracked down the refs I had seen to someone modifying an SA trigger for downtube mounting. The discussion is here (scroll to the last entry): https://search.bikelist.org/beta/View....aspx?id=99887

And pics are here:
https://www.geocities.com/cyqlist/trigger.jpg
https://www.geocities.com/cyqlist/trigger2.jpg
https://www.geocities.com/cyqlist/trigger3.jpg

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Old 02-19-09, 06:17 PM
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there is a mount, I forget who makes it to put the gripshift sturmey stuff on a barend. Maybe it was a Riv thing?
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Old 02-19-09, 06:18 PM
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You can get top tube shifters for these too. They made them prior to WWII. Sometimes they're called quadrant shifters. They show up on Ebay for $35 or so. You could put that on your downtube.

That's a wild 20 Squeezle.
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Old 02-19-09, 07:02 PM
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Sturmey Archer made downtube shifters to control the old five speed hubs. the right shifter worked like any 3 speed shifter and the left one selected high or low range. You get five speeds that way because 2nd is direct drive. They look pretty much like typical downtube shifters. You could shift a three speed if you only used the right shifter. I've seen them on eBay.
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Old 02-19-09, 07:11 PM
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Been there ... done that.

For a few years I ran my first Bianchi as a coaster brake 3-speed, using a standard Huret friction downtube shift lever. All the way back = 1st, just barely up from 1st = 2nd, then neutral (very handy with a coaster brake), and then all the way out = 3rd. I never missed a shift or had any problems with the system.
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Old 02-19-09, 07:47 PM
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And of course one can use an indexed shifter (down tube, bar end, brifter), remembering which indexed position lines up second gear. First is taught cable, third is slack cable, as per usual.

Originally Posted by Sierra View Post
You could get the hub into a "neutral" position between second and third or if the gears aren't engaged properly they could slip if you are standing on the pedals which could prove to be painful.
Not with any Sturmey 3 built in this millennium. Improved design.

HTH,
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Old 02-20-09, 12:34 AM
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Thanks A LOT for all the great information.
I hope to post some pictures soon
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Old 03-01-22, 11:54 PM
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Originally Posted by 55/Rad View Post
I did it with my Nexus 8, though many people said I couldn't, or rather, I shouldn't.

Friction shifting took on a whole new meaning as the ability to "feel" true engagement became vitally important. But like most things, a little practice and it comes...

That said, quick shifts are difficult in a racing situation, but I don't find myself in that situation....ever.

At least not on this bike.


55/Rad
It certainly looks fast
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