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10 speed chain and front shifter with 9 speed cranks

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10 speed chain and front shifter with 9 speed cranks

Old 03-05-18, 09:51 PM
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10 speed chain and front shifter with 9 speed cranks

Hi, I'm sure this question has been answered some where on this site but I can't find it so here goes.

I'm wondering if I can pair a 9 speed road crank (triple, 110/74 BCD) and 9 speed front derailleur with a 10 speed chain and 10 speed Shimano 105 triple front shifter?

Is the distance between rings the same on the 9 and 10 speed cranks? Is the cable pull of the 9 speed front shifter different than the 10 speed? And is the ratio of the 9 vs. 10 speed front derailleur different?

Thanks for any help you can offer!
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Old 03-05-18, 10:50 PM
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Yes, it will work fine. Have basically the same setup with my 6500 Ultegra 9sp double crank and derailleurs and 6600 10 speed brake/shifters and chain. No difference in performance between this and my other bike with full 6600 groupset.
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Old 03-06-18, 07:39 AM
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2018-2019 SHIMANO Product Information Web

The above link gives you all the technical data you can think of, & show the cross reference between components, if you don't know Shimano will often say it cannot fit but it often does, they tend to be rather conservative in their matching. Obviously you need to find your part numbers then check the Shimano date mark to make sure you are looking up correct part & year.
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