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Chain Wear and Ultegra Cranks w/ 10S campy(6 posts)

Chain Wear and Ultegra Cranks w/ 10S campySpiderman
Sep 23, 2003 10:00 AM
Two questions:
1) Has anyone ever had any problems running an ultegra bb/crank with campy 10s chain and front der?

2) Cassette wear and chain replacement. I know my cassette is worn. Bought a new chain for it and it sounded and felt awful. But, the cassette works perfectly (shifts quietly and smoothly) with the old chain. Do I have a reason for changing cassette and chain?

Thanks for your help!
re: Chain Wear and Ultegra Cranks w/ 10S campylyleseven
Sep 23, 2003 3:07 PM
I don't think a 10 spd campy chain will work on a front chain ring made by Shimano. Campy chain is narrower than Shimano due to 10 speed.
re: Chain Wear and Ultegra Cranks w/ 10S campyRusty Coggs
Sep 23, 2003 4:28 PM
Actually I ran a campy 10 chain on an ultegra 8 speed crankset with absolutely no problems. The chain is narrower,but the rings aren't where it matters.
Yes, you have a reason to change: chain ringsKerry Irons
Sep 23, 2003 4:39 PM
You can run a chain/cassette combo long after the chain passes the 1/16" elongation point. With the chain elongating, it puts a lot more pressure on fewer teeth and so chews up your chainrings faster. Worn cassette and new chain will likely skip, and vice versa.

You will probably have no problems with a 10s chain on your Ultegra rings. 10s is a bit narrower, but not much. You won't see the chain riding up on the teeth because it "doesn't fit."
no problemsweiwentg
Sep 23, 2003 6:34 PM
I do 1). no issues at all. I've even been told that a 9s front derailleur will work (and I will soon find out).
re: Chain Wear and Ultegra Cranks w/ 10S campyflybyvine
Sep 23, 2003 10:15 PM
Ive run a 10sp chain on an old Ultegra 600 8sp crank / chainrings with no problems for the last 2 years BUT...

The 8sp chainrings are too far apart (don't know about 9sp) & you can get the chain dropping between the rings. Luckily the inner rings are not exactly symetrical (laterally) so if you flip the inner ring around (i.e. inside facing out) it brings the rings/teeth closer together. No more chain drop problems. Doesn't shift as cleanly as a proper 10sp set up but good enough for a second bike.

Re Front Der, again the 8sp works fine since the indexing is in the shifters.