Shimano Ultegra R8150 Di2 With 11-36t Cassette?

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[alexcreecy]

That's such a useful video as I'm planning to install a 36T cassette on my Shimano Ultegra Di2 8150 - thank you!

[alexlithgowsmith]

A very brief test ride confirms it's all working fine. 1.5 turns on the B screw to move the jockey down the ~4mm extra radius of the 36T compared to 34T.

[LittleJulio.]

Very interesting to see the difference.
Thinking we need to see the 11-36 installed and how it works.

[thedownunderverse]

I am the “someone” who asked about this…. appreciate the video!! ❤
Shimano is usually pretty conservative with their cassette compatibility so unless you have a RD hanger that is right on (or below) the bottom end of the spec, the Ultegra RD is likely to work with the upcoming 11-36. As an example, heaps of people were able to fit 11-40 cassettes onto GRX 812 derailleurs which were theoretically only rated to 34t. That’s a whopping 6t difference whereas in this case it’s only 2t. I’m hearing the 12sp 11-36 may be some weeks/months away still, unfortunately. Likely to be available for retail alongside GRX and/or 105 12sp mechanical. Cheers big fella

[steveindorset]

Really great vid mate. Nice one. Blessings from Dorset.

[reindel]

tried the 105 12 speed 11-36 in my Ultegra 12 speed, it works but the shifting from 11T to 12T is noticeably slow. Other than that it works fine

[TalesfromtheGreenway]

I was able to make it work with a dura ace 9100 with no modifications using an 11-36, it will shift a tad slower but it's good enough.

[tombiggi]

Where can we get those Shimano gages you are using? Shimano part number?

[Tchairdjian]

I see ROTOR now has a 12-speed 11-36T and a 11-39T Cassette... not quite 11-40T but that would be great if it fits the Ultegra R8100 without Woolftooth no?

[MrDtelson]

May I ask, who has actually put an 11-36 on and which exact cassette? Should I put a 105 cassette on and give it a shot or get hands on the new GRX 12 speed cassette (is that just a MTB cassette that already exists + change to micro spline right). I want to do this but dont want to screw up how nice my RD 8100 works (top notch).
Thanks all!

[seryozhasteve]

Very useful vid, thanks. What 11-36t cassette is recommended for this? Shimano CS-HG710-12 11-36T? I note Shimano don’t advise against doing this, in fact they say “It is compatible with 12-speed and road 11-speed freehub bodies and can be used with any of Shimano’s 12-speed road drivetrains.”

[KusolK]

I have Dura-ace 9200 RD which should be at same spec as Ultegra 8150. Will my Dura-ace also work fine with big cassette 11-36 ? Now in the market 11-36 from 105 12sp is available, also Rotor 11-36 12 sp also available at much lighter weight at about 230g only (360g+ for 105)

[oxharp]

Can you fit say an 12 speed 11/40 cassette with or without a wolf tooth on the R8150 di2 Ultegra? Is it even possible for better climbing.

[pinoyxbox]

Hello! For 105 di2 can you use an ultegra or dura ace cassette to get the hyperglide+?

[mtbspindoctor]

will the 11-36t cassette fits on a shimano 105 di2 RD?

[thepatternforms]

Why in the absolute hell is there not a 11-36 ultegra cassette what in the world is going on I can not imagine a possible reason why there isn’t. WTH

[kkqogir]

The xt m1800 can use this 11-36 cassette？