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@mikec
I am replacing the drivechain on my road bike.
I am sticking with the same size chain rings 50/34 however for the cassette I am going from a 12/25 to an 11/28 if I measure the new chain against the old, does this mean the new chain needs to be three links longer to accommodate the extra 3 cogs?
Is it as simple as this? Any help would be appreciated as instructions and diagrams confuse me
Cheers