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PostPosted: Sat May 11, 2013 9:31 am 
Retro Guru

Joined: Mon Feb 11, 2008 9:42 am
Posts: 2362
Guy in our club has just swapped to XX1 (from a 6 weeks old XX group) no complaints so far, the only ride I've joined him on was a sloppy, claggy sh1tfest.


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PostPosted: Sat May 11, 2013 11:37 am 
Gold Trader
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Joined: Thu Nov 09, 2006 11:19 pm
Posts: 1854
Location: Gwlad Gwlad to be here
I've managed with 1x10 (11-36) but I am getting old and weak so the moment Shimano copy this I'LL BE ALL OVER IT TOO.


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PostPosted: Sat May 11, 2013 2:28 pm 
Old School Grand Master
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Joined: Mon Jun 14, 2010 9:06 pm
Posts: 4422
Location: Herts UK
in theory it is not a bad idea - getting rid of front shifter and 2 chain rings makes it simpler and lighter.

I wonder how long the chain will last having to be put thorugh such angles?????


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PostPosted: Sat May 11, 2013 2:35 pm 
Gold Trader / PoTM Winner / RB Rider
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Joined: Tue Feb 26, 2013 6:26 pm
Posts: 16890
Location: 54 Festive Road Winchcombe GLOUCS Yarp...
Anybody ever tried/invented a sprung splined moving single front chain ring that would move across with rear mech just by chain tension?
(Sorry just thinking out loud, I'll go away again)


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PostPosted: Sat May 11, 2013 2:38 pm 
retrobike rider / Gold Trader
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Joined: Thu Jan 07, 2010 12:23 pm
Posts: 3613
Location: Cumbria
Ah that explains things. Guess there will be a weight saving in there somewhere. Clutch mech dispenses the need for a chain guide on the front. Cheaper large range cassettes may be heavy, but if you loose two chainrings off the front then you should still be better off. Can't justify the cost myself to change away from what I have.


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PostPosted: Sat May 11, 2013 9:09 pm 
Retro Guru
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Joined: Thu Jun 23, 2011 11:25 pm
Posts: 1784
Location: It's not easy being a dolphin.
Seriously, couldn't you just bolt a 42T chain ring on a 11-36 cassette, file away one tooth from the 11 sprocket and use thumbies in friction mode :lol:


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PostPosted: Sun May 12, 2013 1:33 am 
Old School Grand Master
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Joined: Sun Aug 21, 2011 11:57 pm
Posts: 4074
Location: Antwerp, Belgium
42T is for wussies

Image

No idea what the owner is up to. Either he's going to attach a turbine to that or he's building a bike that can climb skyscrapers.


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PostPosted: Sun May 12, 2013 8:43 am 
Retro Guru

Joined: Tue Jun 05, 2012 8:04 pm
Posts: 439
Location: Somerset
Having had a look its a very impressive setup but crazy money for most of us mere mortals.

There's some well thought out things like the front chain ring having completely different shaped teeth to the 'norm'

The cassette is machined so weight is only marginally heavier than a high end 9/10 speed mtb cassette.

It all makes a lot of sense simplifying the mechanicals, just have to see if it filters down to something more of us can afford.. For now I'm sticking with my 9speed triple setup. :shock:


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PostPosted: Tue May 14, 2013 1:54 pm 
BoTM Winner
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Joined: Thu Jan 19, 2006 1:23 pm
Posts: 2760
Location: NW England
How the hell does that only weigh 260g?


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PostPosted: Tue May 14, 2013 3:30 pm 
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Joined: Sun Aug 21, 2011 11:57 pm
Posts: 4074
Location: Antwerp, Belgium
Probably measured without cogs.


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