Cassette compatible with Di2?

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Dertoc57
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Cassette compatible with Di2?

Postby Dertoc57 » Sat Dec 01, 2012 13:10 pm

Looking at buying a new bike equipped with electronic shifting ultegra Di2. However it comes with 11-25 cassette. Does anyone know if I could replace this cassette with an Ultegra 12-30 ?

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declan1
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Re: Cassette compatible with Di2?

Postby declan1 » Sat Dec 01, 2012 13:56 pm

Yes, it should work. You will probably have to get a longer chain though.

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Dertoc57
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Re: Cassette compatible with Di2?

Postby Dertoc57 » Sat Dec 01, 2012 15:51 pm

I expected to need a longer chain but would I also need a long cage derailed?

Fevmeister
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Re: Cassette compatible with Di2?

Postby Fevmeister » Sat Dec 01, 2012 15:58 pm

Dertoc57 wrote:I expected to need a longer chain but would I also need a long cage derailed?


No

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CiB
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Re: Cassette compatible with Di2?

Postby CiB » Sat Dec 01, 2012 16:05 pm

I run an 11-28 on my Di2 with no problems. 30 will work fine.

Dave_P1
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Re: Cassette compatible with Di2?

Postby Dave_P1 » Sat Dec 01, 2012 17:43 pm

Is the derailleur compatible with a 30t ring. I know some of the mechs only support up to 28t

Simon Masterson
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Re: Cassette compatible with Di2?

Postby Simon Masterson » Sat Dec 01, 2012 20:24 pm

Dave_P1 wrote:Is the derailleur compatible with a 30t ring. I know some of the mechs only support up to 28t


As someone said above, it should work fine. Shimano will make statements like that but a derailleur is a very basic thing, and it deals with different lengths of chain. If it can manage a 28T cog, I would assume that it can probably manage a 30T cog, but I'm merely reasonably certain of that; my conviction is not absolute!


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