MTB cassette on a road bike wheel?

jdd

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Jul 26, 2008
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#1
I guess that says it. I have a set of Bonty wheels on my road bike, the wheels are about a year old (warranty replacements for the originals, which had some small rim cracks). Shimano ultegra 11-28 cassette on the rear now.

I'd like to use these wheels on a different bike, but I need to know if I can swap the cassette for an MTB one. Either traditional 9-speed or even the newer dyna-sys 10-speed version would be acceptable. (Hopefully both would be okay, but the dyna-sys design could be off in its own world.)

Talked to my LBS, and they said "probably" a lot, but no "certainly" or "for sure". And also made a comment about whether width of the hub body and the cassette would match.

So will a hub that accepts Shimano road cassettes also accept MTB cassettes? Or are they incompatible?

Any work-arounds if they're different?
 

AlanW

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Jan 30, 2007
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Tokyo
#4
The cassettes (road / MTB) are fully compatible, with the exception of a very rare Dura Ace wheelset that needs a deep groove 10-speed road cassette. Shimano does not rate all of their hubs for a 36T large sprocket like the latest Dyna-Sys, although it will fit.
10-speed usually needs a 1mm spacer behind the cassette; 9 speed does not.
 

jdd

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#5
Good news, all, thanks! (No, not CX.)

If I can suggest it, try to think of a continuum ranging from road frames/gearing on one end and dedicated touring frames/gearing on the other--with an audax somewhere in between. Given an audaxy kind of goal, one angle would be to buy a dedicated audax, another would be to convert a road bike to that purpose, and a third would be to convert a touring frame to that.

I think I've settled on that third option, and on a Ridgeback Panorama frame (reynolds 725 tubes and stays), but while this is usually sold as a full bike and as heavier-duty touring package, I'd like to lighten it up and make it sportier, much more a very lightweight tourer.

I'm older (60), and I'm targeting the comfort/stability of a touring frame, along with MTB gearing for the hills around here and my age. But at the same time, I am only ever going to be doing lightweight credit-card touring--only a very light load. I want the comfort, but I don't need the heavy-duty stuff.

So I'd like to think I could put those bonty road wheels on it, with a big cassette (there'll be an MTB triple on the front, and deore derailleurs, so no worries about that stuff). It's a question of whether the hub on the bonty rear, which now has a shimano road cassette on it, will plug-and-play a shimano mtb cassette or not--and according to the responses here, apparently no problem,

I tend toward the traditional 9-speed rather than the dyna-sys 10-speed, and I think the 9 would be more likely to fit anyway.

(And, being the forward-thinking person that I am :) , this also creates the need for some better road wheels to replace those bonty wheels off my Trek. I'm thinking DA 7900 (or RS80) for that.)
 

StuInTokyo

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Dec 3, 2010
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#6
Good news, all, thanks! (No, not CX.)

If I can suggest it, try to think of a continuum ranging from road frames/gearing on one end and dedicated touring frames/gearing on the other--with an audax somewhere in between. Given an audaxy kind of goal, one angle would be to buy a dedicated audax, another would be to convert a road bike to that purpose, and a third would be to convert a touring frame to that.

I think I've settled on that third option, and on a Ridgeback Panorama frame (reynolds 725 tubes and stays), but while this is usually sold as a full bike and as heavier-duty touring package, I'd like to lighten it up and make it sportier, much more a very lightweight tourer.

I'm older (60), and I'm targeting the comfort/stability of a touring frame, along with MTB gearing for the hills around here and my age. But at the same time, I am only ever going to be doing lightweight credit-card touring--only a very light load. I want the comfort, but I don't need the heavy-duty stuff.

So I'd like to think I could put those bonty road wheels on it, with a big cassette (there'll be an MTB triple on the front, and deore derailleurs, so no worries about that stuff). It's a question of whether the hub on the bonty rear, which now has a shimano road cassette on it, will plug-and-play a shimano mtb cassette or not--and according to the responses here, apparently no problem,

I tend toward the traditional 9-speed rather than the dyna-sys 10-speed, and I think the 9 would be more likely to fit anyway.

(And, being the forward-thinking person that I am :) , this also creates the need for some better road wheels to replace those bonty wheels off my Trek. I'm thinking DA 7900 (or RS80) for that.)
It all sounds like a plan, a good one!:cool: