Bike Forums - View Single Post - 10 speed to 11 speed hub upgrade

06-20-22, 12:58 PM

#6

alexk_il

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Quote:

Originally Posted by CliffordK

A 10 speed freehub will work fine with any 11 speed cassette with 34T or larger for the large sprocket "MTB".

The difference between 11 speed road and 11 speed MTB is the road freehubs are wider. The MTB cassettes will still fit on the road freehubs, but will require a spacer.
...

Somewhat complex info, but 10s and 11s MTB derailleurs have the same shift ratio, and may be interchangeable..

Oh... I now understand what you and others mean by 34+ MTB cassette fitting the road 10speed hub. For some reason the Shimano compatibility chart doesn't mention that option, I think you are right though.

What spacer do I need to make it work?

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