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Cassette Replacement

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Cassette Replacement

Old 08-14-21, 08:23 PM
  #1  
nrsmd
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Cassette Replacement

I have a Specialized 2012 (or so) Roubaix Ultegra with a 10-speed cassette. Can I switch to an 11-speed cassette (Shimano Ultegra R8000) by:
1) Taking the old off and putting the new one on, quick and easy, no other adjustments, or
2) Need a conversion kit or special spacers, advanced job, or
3) Not doable. Stick to a 10 Speed.
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Old 08-14-21, 08:35 PM
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Russ Roth
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Stick with answer 3. There's enough of a spacing difference it won't work, taking it apart which isn't possible with a number of cassettes and changing the spacers could work with some but would be more expensive than a 10 speed cassette. Plenty of cassettes use carriers for the larger gears which are stepped for each gear to individually rivet to so not really an interchangeable item. There are still a number of nicer 10sp cassettes out there that you shouldn't have a hard time finding something decent to toss on.
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Old 08-14-21, 08:35 PM
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3(three)
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Old 08-14-21, 08:37 PM
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nrsmd
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Got it. Answer is 3.
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Old 08-14-21, 08:43 PM
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This is an easy conversion to make if you buy an entire R8000 groupset instead of just the cassette. You'll also need a new freehub body on your rear wheel (could possibly require an entire new wheel) if you want to use a cassette tighter than 11-34, unless you're already running an 11-speed wheel.
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Old 08-14-21, 09:00 PM
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cxwrench
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Think about this: How would your 10 speed shifters function with an extra gear?


They wouldn't.
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Old 08-15-21, 11:44 AM
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Implicit in all the excellent advice is that the bike gods are giving you a sign to buy another bike.
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Old 08-15-21, 05:51 PM
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Convert it to a single speed and be done with it.
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