Bicycle Mechanics - Anyone running a 10speed SRAM chain on a campy drivetrain?
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07-19-07, 11:50 AM
I purchased a 10 speed SRAM chain (1090) for my chorus divetrain, and it's been nothing but noise. I'm using a new Centaur cassette and Pedro's Rock n Roll lube for the first time. I was told SRAM 10speed chains are compatible with campy drivetrains, but SRAM's website lists them as only Shimano compatible. The chain had about 50 miles before I put the new cassette on, which a mechanic told me was the cause of the noise. After about 150 additional miles, it's still noisy, so I'm thinking it's the chain. The rd hanger has been checked also.
07-19-07, 07:24 PM
Each company designs their chain/cassette combination to work together. There are also patent issues that have to be designed around. I am not EXACTLY sure which precise elements of the HG system are patented so I can only generalize here.
Typically, when chain makers say "compatible" what they are talking about is width. I have tested other 10 spd chains on a Campagnolo system and they all were louder and less durable than the Campagnolo chains.
Although I haven't personally done it, I imagine that the reverse would also be true and other brand chains would perform sub-par to the designated Shimano chain.
I'm sure now, other will post and sign the ballad of the Wipperman (or other brand) chain, and extol the virtues of their favourite brand ad infinitum, BUT the difference here is that we are talking about Campagnolo compatible.
Because Shimano dominates the OE market, all designers want to displace Shimano in the OE with the goal of increasing aftermarket share. SO...they design to be as Shimano compatible as possible.
Since Campagnolo is mostly an aftermarket company (really) no-one truly designs to THEIR specs. Companies will SAY they are Campagnolo compatible, but it is almost as an afterthought.
Last point, IF you agree that Shimano works better on Shimano and Campagnolo works better with Campagnolo, then you must accept that there are differences. How them, would it be possible, to design a chain (or any other product) that works better than the original products ON BOTH???
That would be quite a feat of engineering.
Long answer to a seemingly simple question, I know. The short answer: It will always be noisier and won't last as long as the Chorus chain the group was designed to use. Ride the chain until it starts to stretch and then replace it with the Chorus chain. If you get it early, the cassette should be fine.
07-20-07, 07:32 AM
I'll extole the praises of the Wipperman 10X1 on a 10-speed Chorus triple drivetrain based on a sample size of one. Mine has been quiet and durable for over 4500 miles so far. The Conex link is a real plus.
07-20-07, 12:30 PM
Thanks for the responses gentlemen. I think my next purchase will be a Wipperman, KMC, or Campy chain.
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