05-19-2021, 10:33 AM
You don't need a special chain.
You need to match the cassette and the shifter. Otherwise, in your case, the chain may be too narrow, and present stability issues.
You can typically go one Speed up or down—mix-matching components.
One great exception is 9 speed—for the rear derailleur, shifter, and cassette. Because 9 Speed uses a special spacing and pull ratio apart from 7/8 and 10/11. You can only mix "9 speed cranks/chainrings" with other speed components.
You will always need to match the shifter, rear derailleur, and chain to the same speed as the cassette.
You need to match the cassette and the shifter. Otherwise, in your case, the chain may be too narrow, and present stability issues.
You can typically go one Speed up or down—mix-matching components.
One great exception is 9 speed—for the rear derailleur, shifter, and cassette. Because 9 Speed uses a special spacing and pull ratio apart from 7/8 and 10/11. You can only mix "9 speed cranks/chainrings" with other speed components.
You will always need to match the shifter, rear derailleur, and chain to the same speed as the cassette.
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