Thread: Ultegra Front Deraileur Chainring Size Compatability
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Old 05-22-14, 08:40 AM
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dsbrantjr
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"Ultegra 6703 derailer says that the minimum difference between the outer and middle ring is 13 teeth"

And the difference between 46 and 40 is 6 teeth, which is less than the specified minimum; this is why the cage is hitting the middle ring.
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