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PostPosted: Thu Jul 20, 2017 7:20 am 
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Joined: Sun Jul 24, 2016 7:32 am
Posts: 146
Hello,

I'm trying to choose a right gears for the Venge that I'm building and I think I might need some help. I live in relatively flat area (not super flat, but nowhere near to call it hilly - at most around 600m of elevation per 100kms of riding or 1km per 140km on the "steepest" part around that I know).

I'm currently using the 11-28 cassette with the 52x36 chainset. Two things to note:
  • I'm not using 28 ring at all. I'm not using 25 either UNLESS I'm after super hard interval and just want to recover a bit.
  • I'm rarely using 11-12 rings. I am using them when I'm doing some Z5+ intervals but I can't really spin them more than 70RPMs

Now, I've been playing around with the Gear Calculators and I think I'm set on the 12-25 cassette - it has some nice progress - 12-13-14-15-16-17-18-19-21-23-25 - it eliminates the cogs I'm not really using and gives me something more to play with in between.

What I'm not sure of are the chainrings - I think I want to change to compact/standard, just to try it. I think it would be good to improve my average cadence (it's around 82RPM average per month, much more if I'm riding on turbo trainer). I don't feel bad with it (I don't really "struggle", my knees don't hurt), I just feel like experimenting. Besides, if I get 5RPMs more I can basically offset the chainset change (in most cases).

I made a list to compare these; I think if I had a compact I'd be able to use the whole cassette (although I'd probably not be using the 25 cog with 34 in the front), and if I had a standard I'd use most of the bigger cogs but not the 12 (at least not that often). What do you guys think? Where do I start?

Marcin


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Posted: Thu Jul 20, 2017 7:20 am 


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PostPosted: Thu Jul 20, 2017 9:04 am 
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Joined: Sat Nov 22, 2014 1:12 pm
Posts: 112
It's a personal thing really, I run 52-36 on all my bikes with an 11-28. But when I ride is relatively lumpy. I prefer the feel of pushing a bigger gear up front, so prefer semi compact to full compact.

I also ride q rings, which I find lifts my cadence


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PostPosted: Thu Jul 20, 2017 9:26 am 
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Joined: Wed Jan 22, 2014 11:48 am
Posts: 2218
Location: Vienna Austria
Go 1x with a 46t ring. If you're only riding in the flat it's all you need. I just did that for my TT bike. Work well.


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PostPosted: Thu Jul 20, 2017 9:45 am 
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Joined: Wed Apr 25, 2007 10:23 am
Posts: 1228
Location: Pack filler
Changing your gear ratios wont increase your cadence.
If you feel comfortable pedalling at 80rpm, then all you'll do with another cassette is select the gear that gives the same cadence/feel.

You need to deliberately ride at least 1 sprocket lower than now to increase cadence, and build up the time spent riding like that.
or go fixed and ride a small gear ;)

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PostPosted: Thu Jul 20, 2017 10:14 pm 
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Joined: Thu Jun 28, 2012 10:52 pm
Posts: 292
Location: eNZed
I found it to be a discipline thing to increasing cadence; just deliberately ride higher cadences than you normally would.
I don't like big gaps in my cassette except in the biggest cogs >21; love having 18 in a 12-25 cassette.
Suggest you do it one step at a time, getting a new 12-25 cassette and keeping your current chainset.

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Less is more.


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PostPosted: Fri Jul 21, 2017 9:29 am 
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Joined: Sun Jul 24, 2016 7:32 am
Posts: 146
shimmeD wrote:
I found it to be a discipline thing to increasing cadence; just deliberately ride higher cadences than you normally would.
I don't like big gaps in my cassette except in the biggest cogs >21; love having 18 in a 12-25 cassette.
Suggest you do it one step at a time, getting a new 12-25 cassette and keeping your current chainset.


Thanks, that's what I did, I just ordered the 52x36 DA chainset and gonna pair it with 12-25 cassette. If I'll feel the need for standard chainrings I'll just swap them.


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Posted: Fri Jul 21, 2017 9:29 am 


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PostPosted: Fri Jul 21, 2017 9:47 am 
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Joined: Mon Jan 23, 2017 8:05 am
Posts: 60
lovemyway wrote:
shimmeD wrote:
I found it to be a discipline thing to increasing cadence; just deliberately ride higher cadences than you normally would.
I don't like big gaps in my cassette except in the biggest cogs >21; love having 18 in a 12-25 cassette.
Suggest you do it one step at a time, getting a new 12-25 cassette and keeping your current chainset.


Thanks, that's what I did, I just ordered the 52x36 DA chainset and gonna pair it with 12-25 cassette. If I'll feel the need for standard chainrings I'll just swap them.


That's what my setup is right now but going back to standard rings as they don't shift from small to big ring smoothly.

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