can shimano 11sp hubs be spaced to run shimano 9sp cogs?

[Dr Luxurious]

seems I recall hearing you can put spacers inboard on 11sp freehubs and run fewer cogs...

???

[kppolich]

Not sure if this applies here but I was pleasantly surprised when I left my 11 speed 11-32 cassette on my trainer wheel and put it on my 10speed dura ace bike. I was surprised because it never got up to the big gear in the back (32) so it was really like my 11-28 10sp cassette that I do have.


Applying to your question, I believe I have a spacer that came with my 11sp wheels that says use for 9/10 speed.

[Cicli]

Yep, just run the 1.85mm spacer and toss on a 9 speed cassette.

[fbhidy]

I believe a 2mm spacer is necessary to take up the space difference when using a 8/9/10 speed cassette on an 11 speed freehub. 8/9/10 (and 11 speed Shimano mountain) are all the same width.

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