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feetabix
PostPosted: Mon Jul 23, 2012 6:24 pm 
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Location: Atherstone,Warwickshire.....
Are the pull ratio's the same for an xc pro and a similar period xt rear mech?.....in other words, will a rear xc pro mech work ok with a thumbie in index mode?........... :D
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legrandefromage
PostPosted: Mon Jul 23, 2012 6:28 pm 
King of the Skip Monkeys
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feetabix wrote:
Are the pull ratio's the same for an xc pro and a similar period xt rear mech?.....in other words, will a rear xc pro mech work ok with a thumbie in index mode?........... :D


from memory - yes.




but it wasnt great...
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feetabix
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PostPosted: Mon Jul 23, 2012 6:47 pm 
retrobike rider
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Location: Atherstone,Warwickshire.....
i think it was sram that changed the ratio from 2:1 to 1:1 wasnt it?
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Iwasgoodonce
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PostPosted: Mon Jul 23, 2012 6:52 pm 
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Shimano have a sort of floating jockey wheel don't they? I think I recall that it makes a difference?
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kermitgreenkona88
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PostPosted: Mon Jul 23, 2012 7:26 pm 
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Yes Sram changed the ratio to 1.1

LGF is right it works but takes a lot of fiddling to get right, whereas XC pro thumbies and XT rear work pretty sweetly thanks to the floating pully on the XT mech :wink: :D
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My_Teenage_Self
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PostPosted: Mon Jul 23, 2012 8:11 pm 
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it'll work fine.

the problems occur with suntour shifters having varying amounts of cable pull between gears, shimano having the same gap between each cog.

The floating jockey is a godsend...

I've yet to try my Suntour Thumbies, and Suntour rear mech on my shimano cassette though... :roll: :roll:
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retrobikeguy
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PostPosted: Tue Jul 24, 2012 9:37 am 
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Best I could do......

shifters'll work with the Rear mech fine but depends on the cassette too

Image
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rc200ti
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PostPosted: Tue Jul 24, 2012 11:56 am 
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I've never had any problems doing this.
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