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PostPosted: Fri Apr 06, 2012 7:08 pm 
Old School Grand Master
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Joined: Sun Sep 05, 2010 1:10 am
Posts: 4756
Location: Heathfield, East Sussex
Looking forward to seeing it on the bike... 8)


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PostPosted: Fri Apr 06, 2012 10:12 pm 
Gold Trader
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Joined: Fri Jul 08, 2011 2:06 pm
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Location: Edinburgh
This is absolutely brilliant - I had exactly the same problem of wanting to run a 1x9 thumbshift option but wondered about the Paul route - nice but uber expensive. Looking forward to hear if it has enough give for 8/9 speed!


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PostPosted: Mon Apr 09, 2012 2:21 pm 
Old School Grand Master
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Joined: Tue Oct 04, 2011 4:15 pm
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Location: Behind you with the duct tape pulled out.
any update?


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PostPosted: Mon Apr 09, 2012 3:17 pm 
Dirt Disciple
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Joined: Sat Sep 18, 2010 4:16 pm
Posts: 98
Location: In the Ghetto Walthamstow
So ive just mounted this up to my Kiniesis for a quick test fit and I can confirm that the lever travel is more than enough for a 9 speed set up and will most prob be fine for 10s also..

The standard lever seems to be ok and holds the tension of the rear mech but with that in mind I was testing it with a knackered old 105 unit as my new XT hasnt arrived :-( but it worked fine...

I also cant see why you couldnt take the lever mount off as it comes apart, turn it around and use it as a LH mount either again with limit time I didnt get round to it but will maybe look indepth in the morning...

I would more than likely use an old XT or Dura ace lever as the friction plate is soooooooo nice to use but so far so good with the standard lever, only when my new mech arrives will I be able to tell if it really will work fine with the stronger spring...

I will add pics tomorrow...


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PostPosted: Tue Apr 17, 2012 11:44 am 
South West Deputy AEC
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Joined: Mon Nov 09, 2009 4:53 pm
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Location: Devon
Any news on how this works?

What is the indexing mechanism - Is it a ball bearing on a dimpled/drilled washer? If so, could one replace the washer with one drilled/machined with 9 holes, for 9 speed indexing?


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PostPosted: Fri May 04, 2012 1:36 pm 
Old School Grand Master
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Joined: Tue Oct 04, 2011 4:15 pm
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Location: Behind you with the duct tape pulled out.
Gentle nudge for an update.


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PostPosted: Wed May 09, 2012 1:17 pm 
Gold Trader
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Location: Edinburgh
Success? :wink:


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PostPosted: Thu Dec 13, 2012 9:17 pm 
Retro Guru
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Joined: Fri Apr 06, 2012 7:34 am
Posts: 1042
Location: Hook, Hants
Bumping this because I've only just found it and I was already thinking about mods to those Sturmey-Archer's as a possible cheap 7/8spd thumbie solution.

Also the 3/Friction x 8/9 Sunrace versions are available in the UK now at £19 delivered (per thumb). They're model SLM96 on the Sunrace website: http://www.sunrace.com/en/products/detail/m90?sku=SLM96

http://www.ebay.co.uk/itm/Sun-Race-Sturmey-Archer-Gear-Shifters-3-or-9-Speed-friction-indexed-DERAILLEUR-/221165120721

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PostPosted: Thu Dec 13, 2012 9:30 pm 
King of the Skip Monkeys
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Joined: Wed Nov 07, 2007 4:34 pm
Posts: 26184
Location: Moomin Valley
Spooky - was on this trail myself

£18 a side though? That would get you a set of original XT.


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PostPosted: Thu Dec 13, 2012 9:50 pm 
Retro Guru
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Joined: Fri Apr 06, 2012 7:34 am
Posts: 1042
Location: Hook, Hants
Bit sceptical about indexing working on both 8 and 9 speed, unless there's a mode switch on them? Cassette spacing is a fair bit different 4.8mm vs 4.34mm.

EDIT: The more you dig into this the more your head spins...

http://sheldonbrown.com/dura-ace.html
http://forum.ctc.org.uk/viewtopic.php?f=5&t=67971
http://www.bentrideronline.com/messageboard/showthread.php?t=26029

Still a load cheaper than the £87-102 SJS Dura Ace sets:

http://www.sjscycles.co.uk/shimano-deore-xt-style-7-8-speed-thumbshifter-set-prod17429/
http://www.sjscycles.co.uk/shimano-deore-xt-style-9-speed-thumbshifter-set-prod17430/
http://www.sjscycles.co.uk/shimano-deore-xt-style-10-speed-thumbshifter-set-2010-prod21857/

Image


Last edited by lrh on Fri Dec 14, 2012 1:42 pm, edited 2 times in total.

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