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Dura Ace 9-speed chain(4 posts)

Dura Ace 9-speed chainjohnc
Mar 5, 2002 12:48 PM
I need to change my chain and I have a standard chain break tool. Does this chain require a special tool to "break" the chain (I've been told yes and no)? If so, what tool do I need?
Thanks for your help.
re: Dura Ace 9-speed chainnetso
Mar 5, 2002 12:58 PM
I Paraffin my chain, I just use a PArk Chain tool.
re: Dura Ace 9-speed chaincurlybike
Mar 5, 2002 3:59 PM
Standard tool works fine. Shimano sez that you need to use the special pin when you put the chain back together. Do not break the chain at the existing special pin. If you are not aware of the special pin, look at every pin in the chain on both sides of the link. There should be one that has a dimple in the center. This dimple is only on one side of the pin. This is the SPECIAL pin used to assemble the chain last time. Do not press this one out if you plan to use the chain again, otherwise, it doesn't matter. I have assembled the chains without using the special pin with no ill effects. In fact, the times I have seen Shimano chains fail, it has been at the special pin. 2 of these pins come with the new chain.
either tool will work, but the Park tool works the bestPaul
Mar 6, 2002 4:09 AM
I don't use the special pin when I put on a new chain.To me, this is the weak link. I have the Park tool which will stop when the pin is not quite pushed through. This is a nice feature, as you can push the pin back in if you want to. When installing a new chain, I use an existing pin after taking out a few links. So when i assemble the new chain, I just push this pin back in.

By the way, the Ultegra lasts just as long as the Dura Ace. I buy whatever is on sale.