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105 12 Speed Mechanical Groupset

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Old 09-01-23, 08:15 PM
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Troul 
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105 12 Speed Mechanical Groupset

Wonder how soon & fast the local market will get these in.. Maybe a cassette with 14 cogs is in the near future! Can't even imagine the chain life of something like that IF it needs to lose more material.


https://road.cc/content/tech-news/sh...roupset-303533
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Old 09-02-23, 04:24 AM
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I am glad they released this but bummed there is not a rim brake version.
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Old 09-02-23, 04:54 AM
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Originally Posted by Troul
Wonder how soon & fast the local market will get these in.. Maybe a cassette with 14 cogs is in the near future! Can't even imagine the chain life of something like that IF it needs to lose more material.


https://road.cc/content/tech-news/sh...roupset-303533
Chainwear on modern 11 and 12 speed is less than it was on older 8,9,10 speed.
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Old 09-02-23, 03:12 PM
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Originally Posted by PeteHski
Chainwear on modern 11 and 12 speed is less than it was on older 8,9,10 speed.
is that comparing chain angle over the course of the usage?
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Old 09-02-23, 03:18 PM
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Originally Posted by Troul
is that comparing chain angle over the course of the usage?
It was from Zerofrictioncycling's chain testing results:-

https://zerofrictioncycling.com.au/chaintesting/

There is nothing to worry about with 12-speed chains.
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