Bicycle Mechanics - Dumb chain question
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08-05-10, 09:27 PM
Is it possible to use a chain for a double crank on a triple crank?
08-05-10, 09:32 PM
08-05-10, 09:41 PM
I bought a new cassette ULTEGRA 6700 11/25 and a new chain Ultegra 6701 on the back of the chain box it says only for use with double crankset. I have a triple, what kind of issues will I be looking at if I try to use it?
08-05-10, 11:43 PM
My only guess is that it is a shorter chain. It may not have come with enough links to be long enough for a triple drivetrain. Count the number of links on your old chain and compare with the new chain. If you have enough, you're good to go.
08-06-10, 12:51 AM
That makes no sense since a triple chain distance is actually shorter when it's on the "granny" gear. The only thing that makes a chain path longer than using it on a road crankset is if the derrailleur has a longer cage to deal with a third crankset ring.
Give it a try. If it's long enough to deal with the big to big combo then it's long enough. If it's too short then box it back up and return it for a chain with more links to use on your touring triple crankset.
08-06-10, 06:45 AM
You can use that chain with any crankset. As already noted, it has nothing to do with chain length. Triples do not need a longer chain. You can use the same big/big plus 1 inch method regardless of the crank. That method suggests the shortest possible chain.
08-06-10, 06:55 AM
The chain I'm running now according to the bike manufacturers website specs sheet has 112 rings while the one I've got has 114 so from what you all have said I should be able to use it.
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