2x9 set up?
 

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[Closed] 2x9 set up?

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what's the best ring and cassette ratio for a 2x9 set up?

Paul


 
Posted : 29/08/2009 10:31 am
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XC or FR?
On the all-rounder i use a 11-34 with 22/36/ bash. For the racer I use 11-34 with 29/42.


 
Posted : 29/08/2009 10:47 am
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See this thread of mine:
[url= http://www.singletrackworld.com/forum/topic/experiences-from-other-2x9-and-no-bashring-users ]http://www.singletrackworld.com/forum/topic/experiences-from-other-2x9-and-no-bashring-users[/url]

11-34 cassette and 36/24 chainrings for xc/trail riding.


 
Posted : 29/08/2009 10:55 am
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cheers for the linky Clubber, pretty much covered most of my questions in one hit there!


 
Posted : 29/08/2009 11:36 am
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Personally i dont see the point in a 36+ ring on a trail bike. I had a 36 on my dh bike and would only spin that out pedalling after the offbeat wall at ft bill...would i **** want to be going that fast off-road on my trail bike!
Currently run a 22/32 and 11-32 cassette and dont spin it out. It gives a nice bit of clearence and will get you up most everything, but then i guess it depends what you regularly ride.


 
Posted : 29/08/2009 11:37 am
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I run an slx double and bash. Seems fine for most things.


 
Posted : 29/08/2009 12:23 pm
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I ran 36t for one ride and realised it didn't suit my legs, so run 22/32 not sure about the rear but either 11-32 or 34 and that works for me fine.

Think you need to try some combos and see what suits you best


 
Posted : 29/08/2009 12:27 pm
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22/36 and 11-34 for me.


 
Posted : 29/08/2009 2:31 pm
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28/42 and 11-34 here.


 
Posted : 29/08/2009 4:16 pm
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22/34 front and 11/34 on the back, but I'm a wimp uphill.


 
Posted : 29/08/2009 7:30 pm
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I;m thinking about doing this for my xc bike - would probably try and run 26/40 or 26/38 with an 11-34 cassette. Where can I get a 40t chainring, had a brief search on the usual websites but no luck. Any pointers?


 
Posted : 29/08/2009 7:38 pm
 jonb
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I run 22/32 11-34 seems fine for most things.


 
Posted : 29/08/2009 7:47 pm
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check the weight weenie forum for ideas and advice


 
Posted : 29/08/2009 9:25 pm
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TA do chainrings in all sizes! I'm actually running a 28/40 come to think of it!

40s are only available as 'middle' rings, so they have shift ramps and such, but they work perfectly well as 'big' rings.


 
Posted : 29/08/2009 10:08 pm
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I do not have this setup so cannot recommend it, but I too have been looking into 2x9 setups, mine would be for my next future race XC hardtail build. I have been looking at the Controltech Double Play crankset (you did not give idea of budget :-)). I have been thinking of 29/40 rings with 12/34 cassette would be ideal for most courses and situations.

I have been wanting an option that would be cheaper than SRAM XX, replacement rings cheaper too. Just hope they do a BB30 version too in the future...


 
Posted : 30/08/2009 8:03 am
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Use 29-40 with 11-28 suits me well for raceing


 
Posted : 30/08/2009 10:53 am
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stuartanicholson - Member

Personally i dont see the point in a 36+ ring on a trail bike. I had a 36 on my dh bike and would only spin that out pedalling after the offbeat wall at ft bill...would i **** want to be going that fast off-road on my trail bike!
Currently run a 22/32 and 11-32 cassette and dont spin it out. It gives a nice bit of clearence and will get you up most everything, but then i guess it depends what you regularly ride.

Like was said to TJ when he quoted that line - some people actually RIDE to the trails on the road or use the road to link sections up, spinning away is shit


 
Posted : 30/08/2009 10:59 am
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If a 32 big ring is big enough for you, you need to grow a set.


 
Posted : 30/08/2009 12:03 pm
 GW
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22/36 & 11 28 (8speed) on my hardtail
I also use a 36T on my DH bike and totally agree with Stuartnicholson.

Kiwi john have you even ridden Ft Willaim? never mind, cleared the tissot or the last tripple?

I ride on roads to local trails too, 36T is enough to break a 30mph speed limit comfortably.. if I wanted to break 40 & 50mph limits I'd take f***ing the road bike out 😕 Why use up all your energy on road sections when you're on your mountainbike? 🙄


 
Posted : 30/08/2009 1:12 pm
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I've been running 26/36 (changed from 22/34 - much too spinny) and 11/34 here with a bash for 3 years now, works great.


 
Posted : 30/08/2009 1:46 pm
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rolf - I only spin out the 36/11 top gear downhill on road. 30 mph. I can't do that on the flat on an MTB


 
Posted : 30/08/2009 2:28 pm
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how are you guys setting your 2x9 up, i find if i set up so that big/big is useable the the chain can get a bit floppy when in the small ring, alternatively if i remove a link the big/big stretches the rear mech out which makes the 3 low gears on the rear un-useable when using big up front.


 
Posted : 30/08/2009 2:49 pm
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Mine is set big / big plus 2 links. I can use all 9 gears in the 36 ring and 1-7 on the 22 ring.

I trhink one of the things over geraring is how fast a cadence you like - I like to spin away at a fastish cadence - so 22/36 gives me gears from 3-30mph. If you like to mash then it could be low. However 36 rather than 42 means you only lose the top gear and a half - 36 /11 is between 42 ring gear 7 and 8


 
Posted : 30/08/2009 2:54 pm
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oops, wrong post!


 
Posted : 14/10/2009 10:36 am
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M760 as in this:
[img] [/img]

That's what I use too. Pretty much any 4 arm chainring works - you don't have to stick to Shimano.

eg: [url] http://www.chainreactioncycles.com/Models.aspx?ModelID=35827 [/url]


 
Posted : 14/10/2009 10:41 am