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Addiction LXXVIII

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Road Cycling ďIt is by riding a bicycle that you learn the contours of a country best, since you have to sweat up the hills and coast down them. Thus you remember them as they actually are, while in a motor car only a high hill impresses you, and you have no such accurate remembrance of country you have driven through as you gain by riding a bicycle.Ē -- Ernest Hemingway

Addiction LXXVIII

Old 05-25-20, 05:45 AM
  #7176  
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Originally Posted by datlas
Holy carp. A local cyclist who I know (not well, but I have done some group rides with him and follow him on Strava) Everested yesterday and he did it on a fairly short hill just a few miles from here.
It could have been you.
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Old 05-25-20, 05:55 AM
  #7177  
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It is so quiet here this morning its kinda creeping me out a little.
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Old 05-25-20, 06:04 AM
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Smallest chain ring and smallest cog and my chain is resting against the chain stay. Is something off?
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Old 05-25-20, 06:08 AM
  #7179  
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Originally Posted by Velo Vol
It could have been you.
I am not disciplined enough. No thanks. As Dirty Harry said, ďA manís got to know his limitations.Ē
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Old 05-25-20, 06:10 AM
  #7180  
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Originally Posted by bampilot06



Smallest chain ring and smallest cog and my chain is resting against the chain stay. Is something off?
I am thinking chain needs to be a little shorter? But see what others say.
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Old 05-25-20, 06:23 AM
  #7181  
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Originally Posted by bampilot06



Smallest chain ring and smallest cog and my chain is resting against the chain stay. Is something off?
Effectively cross-chained. Have you tried riding it in that configuration? Often it doesn't work. There's no reason, as you can get that ratio elsewhere. As I recall, the rule for chain length is big ring/big cog and add a link. Somebody please correct me if I'm wrong.
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Old 05-25-20, 06:23 AM
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Originally Posted by ls01
It is so quiet here this morning its kinda creeping me out a little.
Thunder storm rolling thru.
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Old 05-25-20, 06:29 AM
  #7183  
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Time to ride.
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Old 05-25-20, 06:34 AM
  #7184  
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A song for the times. It popped into my head this morning.
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Old 05-25-20, 06:35 AM
  #7185  
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Originally Posted by seedsbelize
Effectively cross-chained. Have you tried riding it in that configuration? Often it doesn't work. There's no reason, as you can get that ratio elsewhere. As I recall, the rule for chain length is big ring/big cog and add a link. Somebody please correct me if I'm wrong.
Close. Big, big, plus two. That's without running the chain thru the RD, BTW.
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Old 05-25-20, 06:48 AM
  #7186  
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Originally Posted by seedsbelize
Effectively cross-chained. Have you tried riding it in that configuration? Often it doesn't work. There's no reason, as you can get that ratio elsewhere. As I recall, the rule for chain length is big ring/big cog and add a link. Somebody please correct me if I'm wrong.

Are you saying Iím riding cross chained in that configuration? I would have thought that with only two chain rings, the smallest chain ring and smallest cog would be fine, nor does it look like itís causing the chain to be at any angle vs largest chain ring and largest cog.
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Old 05-25-20, 06:58 AM
  #7187  
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Originally Posted by bampilot06
Are you saying Iím riding cross chained in that configuration? I would have thought that with only two chain rings, the smallest chain ring and smallest cog would be fine, nor does it look like itís causing the chain to be at any angle vs largest chain ring and largest cog.
Well, that's the definition of cross-chained. That configuration might be fine on your bike. I can only speak from experience, on 40 year old bikes. Jonesy can clear this up, I'm sure.
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Old 05-25-20, 07:08 AM
  #7188  
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Modern drivetrains tolerate cross-chaining pretty well. It looks like R7000 on @bampilot06's bike.
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Old 05-25-20, 07:09 AM
  #7189  
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Originally Posted by datlas
I am thinking chain needs to be a little shorter? But see what others say.
You're correct, sort of.

The chain is too long for that gear choice, and it's by design. Little/little gear ratio can be has with the big chain ring and a more suitable cassette cog, as seedsbelize said. In this case, the cross chain isn't angle, it's the physical capabilities of the bike.
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Old 05-25-20, 07:10 AM
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I mean, it's still less efficient. Extreme chain angles create more friction.
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Old 05-25-20, 07:12 AM
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But I have been known to cross-chain for short stretches. Especially, in rolling sections when I don't want to bother with the FD.
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Old 05-25-20, 07:16 AM
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Originally Posted by rjones28
But I have been known to cross-chain for short stretches. Especially, in rolling sections when I don't want to bother with the FD.
Same, but usually in big/big. Little/little gives me noise I don't like.
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Old 05-25-20, 07:16 AM
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Iím not good at quoting everybody. But thank you for clearing that up. My CAAD was the old three chain rings and I typically rode the middle chain ring, when I switched to this I just assumed it was similar and didnít think anything of it. I was concerned because in that picture the chain looks to long, but if I go big and big it looked appropriate and I didnít think I could take any more links out. Appreciate the help.
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Old 05-25-20, 07:25 AM
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Originally Posted by datlas
I am not disciplined enough. No thanks. As Dirty Harry said, ďA manís got to know his limitations.Ē
You'll never be an elite cyclist with that attitude.
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Old 05-25-20, 07:30 AM
  #7195  
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Had my best/ longest run since banging up my heel a while ago. Felt awesome.

In other news, a local race company seems to be intending to run an actual live & in-person sprint/Oly in mid-July.
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Old 05-25-20, 07:32 AM
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Originally Posted by bampilot06
Iím not good at quoting everybody. But thank you for clearing that up. My CAAD was the old three chain rings and I typically rode the middle chain ring, when I switched to this I just assumed it was similar and didnít think anything of it. I was concerned because in that picture the chain looks to long, but if I go big and big it looked appropriate and I didnít think I could take any more links out. Appreciate the help.
I recall you saying that you were getting some chainslap previously, and I mentioned that it was probably too much chain - this certainly looks like too much chain. Well, either that or the RD doesn't have a cage long enough to take up the slack of the gearing range, but I wouldn't think that Cervelo/Competitive would make that kind of mistake. Do the Shimano sizing that rjones mentions - big/big +2.

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Old 05-25-20, 07:33 AM
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Originally Posted by bampilot06
Iím not good at quoting everybody. But thank you for clearing that up. My CAAD was the old three chain rings and I typically rode the middle chain ring, when I switched to this I just assumed it was similar and didnít think anything of it. I was concerned because in that picture the chain looks to long, but if I go big and big it looked appropriate and I didnít think I could take any more links out. Appreciate the help.
Di2 generally prevents small chainring/ smallest two cogs for this reason. The problem with that is, small/small is generally the easiest gear combo for rear wheel removal on a tri bike.
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Old 05-25-20, 07:51 AM
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Originally Posted by WhyFi
I recall you saying that you were getting some chainslap previously, and I mentioned that it was probably too much chain - this certainly looks like too much chain. Well, either that or the RD doesn't have a cage long enough to take up the slack of the gearing range, but I wouldn't think that Cervelo/Competitive would make that kind of mistake. Do the Shimano sizing that rjones mentions - big/big +2.

https://www.youtube.com/watch?v=LC8_ndnXJUY
Yea I kept forgetting to post a picture of it, I was waiting to hear from seattleforrest as well if he had a similar issue with his c3. Iím surprised that CC would have left too much chain. But Iíll fix it and stop riding small small.
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Old 05-25-20, 07:57 AM
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Originally Posted by bampilot06
Yea I kept forgetting to post a picture of it, I was waiting to hear from seattleforrest as well if he had a similar issue with his c3. Iím surprised that CC would have left too much chain. But Iíll fix it and stop riding small small.
In general, I like to avoid the small chainring - front shifting has gotten really good, but it's still no comparison to what a rear derailleur can do. Being down at sea level and with very little elevation nearby, I'd probably never use the little chainring unless I was pedaling in to hurricane headwinds.
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Old 05-25-20, 08:01 AM
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Originally Posted by WhyFi
In general, I like to avoid the small chainring - front shifting has gotten really good, but it's still no comparison to what a rear derailleur can do. Being down at sea level and with very little elevation nearby, I'd probably never use the little chainring unless I was pedaling in to hurricane headwinds.

I honestly thought it would be worse for the rear derailer if I was large chain ring and on the 4 5 6 cog. Atleast that was my logic.
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