Mountain Biking - What the heck is the difference???
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05-13-09, 03:32 PM
Can someone tell me the difference between these XTR rear derailleurs? RD-M972-GS and SGS. I can see that they're different in pictures but features make them different. I can't seem to find the answer on the Shimano site.
05-13-09, 03:43 PM
one is the short cage (gs) and the other is long cage (sgs)
05-13-09, 03:46 PM
Someone correct me if I'm wrong, please-
The difference is in the jockey cage length. Also specified in teeth capacity.
GS is mid length. SGS is the long cage version, which wraps more chain - needed if when you have a wide gear range like 22/34/44 front and 11/34 rear
05-13-09, 03:53 PM
i think the diff is cage lenght, the gs has a lower "capacity" than the sgs, the sgs looks like the long cage version,
edit: ^lol i got double beaten to it
SS = Super Sport (short cage)
GS = Gran Sport (mid cage)
SGS = Super Gran Sport (long cage)
Total capacity RD-M972:
GS = 33 (enough for [22/32]x[11-34])
SGS = 45 (enough for [22/32/44]x[11-34])
SS = Super Sport (short cage)It will still fit in the trunk of your '67 Chevelle.
GS = Gran Sport (mid cage)It'll still fit in the trunk of your Uncle's Buick.
SGS = Super Gran Sport (long cage)Fold the back seat down Grandpa's Vista Cruiser.
05-13-09, 08:20 PM
Still lust for a SS396.
My mom had a '66 Nova , plain stock, bench seat, auto on the tree, basically unassuming by all appearances. The fact that it had (surprise!) a 327 was pretty much lost on her. But I knew better!
05-13-09, 09:56 PM
I knew it would be something that I was looking at but not seeing. I guess that's what I get for trying to rush surf the net before clocking out at work. Mind was on other things.
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