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Old 11-07-10, 05:29 PM   #1
KDC1956
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Shimano 9 speed Cassette

Witch one would you use 11-32t cassette=11-12-14-16-18-21-24-28-32t
and then the 11-34t cassette=11-13-15-17-20-23-26-30-34t
I have a 26-36-46t chainring set with friction only.I am looking at the 11-32t.Any input would be nice.Thanks
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Old 11-07-10, 05:30 PM   #2
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11-34 for me.
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Old 11-07-10, 05:52 PM   #3
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I would personally use a 34 since your little ring is a 26 but don't lose sleep over it. No big diff
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Old 11-07-10, 07:02 PM   #4
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The tradeoff is obviously having a tighter cluster (which gives you marginally better shifting efficiency) versus having the 34 (which gives you a marginally lower gear for those extra steep grades). You likely won't notice the former, but the latter might require you to get off and walk. The only way to know is to note if/when you use the 34.

Several years ago, I paid attention on a tour and I definitely appreciated having the 34 while loaded. I'd go with the 11-34 over the 11-32.

But actually I'd go with the new 12-36 from Shimano.
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Old 11-07-10, 08:26 PM   #5
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Just installed the 11-34. Nice.
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Old 11-07-10, 10:30 PM   #6
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Thanks for all the input I got here.
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Old 11-08-10, 10:42 AM   #7
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But actually I'd go with the new 12-36 from Shimano.
Yep, this is the ticket. I can never recall using the 11 gear and would prefer to have the extra teeth of the 36 just in case.
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Old 11-10-10, 07:43 PM   #8
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Thanks all I went with the 11-32t cassette with my 26,36,46t chain ring setup time will tell.My LHT is to easy with a 22,32,44t and a 11-34t cassette on it.I spin out a lot with this setup.
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Old 11-11-10, 03:20 AM   #9
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I use the basic 11-34 but I suspect the 34 is a bit too flexy. Does anyone else suffer from chain mishaps on a 34? The higher grade XT and XTR version of 11-34 is much more highly engineered and stiffer.
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Old 11-11-10, 08:17 PM   #10
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Originally Posted by KDC1956 View Post
Thanks all I went with the 11-32t cassette with my 26,36,46t chain ring setup time will tell.My LHT is to easy with a 22,32,44t and a 11-34t cassette on it.I spin out a lot with this setup.
+1 If you end up needing a little more low gear, put on a 24t small ring. I use one, and it really helps on those steep climbs. I seldom use the 11t cog, so am going to make a 12,13,14,16,18,21,24,28,32 setup, for more even spacing.
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Old 11-11-10, 08:26 PM   #11
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it would depend on whether it was 26" or 700c for me
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Old 11-11-10, 08:26 PM   #12
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I run the XT 9-speed 11-34 on all my bikes, including tandem and triplet (which generate lots of torque). Never noticed any flexiness in the 34.

I'll have to look into the 12-36. Haven't seen one of those yet. But, seems like a 24-36 matchup would result in such low speeds that pedaling and staying upright would be challenging.
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Old 11-12-10, 12:25 AM   #13
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[QUOTE=briwasson;11774442]I run the XT 9-speed 11-34 on all my bikes, including tandem and triplet (which generate lots of torque). Never noticed any flexiness in the 34.

I'll have to look into the 12-36. Haven't seen one of those yet. But, seems like a 24-36 matchup would result in such low speeds that pedaling and staying upright would be challenging.[/QUOTE

Depends on your cadence. My LGHT (700c) has a low of 22-34. It's still faster than walking and I don't find staying the right way up a problem at walking speed]
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