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 Post subject: xtr m970 vs m980 e type
PostPosted: Thu Nov 22, 2012 10:14 pm 
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Joined: Thu Jan 13, 2011 4:04 pm
Posts: 508
Location: Sunny UK
anyne kinow difference? from what I can gather from thee next, m970 is 3 chainring but with alloy cage; wheraes 980 is the same but stell cage? anyone confirm that?

m970 = 130 g, m980 = 142 g (due to alloy cage no doubt - somehow an alloy cage to rub against a chain does not seem like a good long term proposition).

hmmm ... seems both have alloy cages 970 is 9sp and 980 is 10 spd as far as i can tell :noidea:


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PostPosted: Fri Nov 23, 2012 1:05 am 
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Shop Owner

Joined: Sat Jun 13, 2009 4:02 am
Posts: 1951
Location: NoVA/DC
I don't think either have an aluminum cage. Probably not since the 950- series.
The m980 is 10speed. The m970 is 9speed. Because the m980 is 10speed, it is designed for a 42t outer ring, the 9speed is based around a 44t ring.


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Posted: Fri Nov 23, 2012 1:05 am 


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PostPosted: Fri Nov 23, 2012 10:26 am 
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Joined: Thu Jan 13, 2011 4:04 pm
Posts: 508
Location: Sunny UK
thisisatest wrote:
Because the m980 is 10speed, it is designed for a 42t outer ring, the 9speed is based around a 44t ring.


brilliant info ..... I guess I should have twigged after trying to use a 10 spd SLX front mech. :thumbup:

so it is m970 I need.

re: spec.
Shimano XTR Front Mech E-Type 9sp M970 Specifications :
Series: XTR
Model No. FD-M970-E
Rear Speeds: 9
Front SIS :Yes
Chain Ring : Triple/Double
Top Swing Link : Yes
E-type BB Mount : Aluminum
........
BB Plate :Aluminum
Outer Link Material/Finish : Steel/Painted
Inner Link Material/Finish : Aluminum/Painted
Chain Guide Material/Finish : Aluminum/ Nickel Plated


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PostPosted: Fri Nov 23, 2012 10:34 am 
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Joined: Thu Jan 13, 2011 4:04 pm
Posts: 508
Location: Sunny UK
02GF74 wrote:
thisisatest wrote:
Because the m980 is 10speed, it is designed for a 42t outer ring, the 9speed is based around a 44t ring.


brilliant info ..... I guess I should have twigged after trying to use a 10 spd SLX front mech. :thumbup:

so it is m970 I need.

re: spec.
Shimano XTR Front Mech E-Type 9sp M970 Specifications :
Series: XTR
Model No. FD-M970-E
Rear Speeds: 9
Front SIS :Yes
Chain Ring : Triple/Double
Top Swing Link : Yes
E-type BB Mount : Aluminum
........
BB Plate :Aluminum
Outer Link Material/Finish : Steel/Painted
Inner Link Material/Finish : Aluminum/Painted
Chain Guide Material/Finish : Aluminum/ Nickel Plated


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