Shimano 6870 or Shimano 9000?

Discuss light weight issues concerning road bikes & parts.
pdlpsher1
Posts: 1434
Joined: Thu Jul 19, 2012 6:09 pm
Location: CO

by pdlpsher1

My new DA 9000 chain is close to 0.50. Changing it at 0.50 is a bit silly. Also I cannot find it anywhere about changing the chain at 0.50. On Park's website it says change it at 0.75 (no specific chain was mentioned).

by Weenie


weekapaugin
Posts: 90
Joined: Thu Jan 21, 2010 4:18 pm
Location: phoenix, az

by weekapaugin

I saw it here, http://www.parktool.com/product/chain-checker-cc-2 on the box, and in a Shimano manual or package somewhere. I changed mine when it started showing slightly greater than .50 wear, and either way, I'm getting quite a bit more life out of it than I was out of 6700 chains, so I'm not complaining. I do tend to err on the side of replacing the chain slightly early to extend the life of the cassette.

pdlpsher1
Posts: 1434
Joined: Thu Jul 19, 2012 6:09 pm
Location: CO

by pdlpsher1

Thanks. I don't know how I missed it. I read the user instructions and it didn't mention anything about 11 speed.

I just measured my new DA 9000 chain and it measured between 0.25 and 0.50. I waited 3,000 miles on the first chain and I probably waited a bit too long (it was between 0.75 and 1.00). My first chain was starting to make some noise when I replaced it. The new chain is whisper quiet.

I still think 0.50 is a bit overkill. I will wait and see how many miles I get before it reads 0.50. My guess probably 1,000 miles.

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Stats
Posts: 1112
Joined: Tue Oct 23, 2007 12:28 pm
Location: Australia

by Stats

DA9000 fo shoa... It's dura ace!

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