Edit: Yes, having looked at the manual it is a generic DI2 manual covering road and MTB mechs. The layout is confusing, but if you look again you'll see that the lever is referred to only in the section headed <In the case of MTB>.
BdaGhisallo wrote:I thought one of the advantages of the new RD was that it would make wheel removal easier?
Exactly............... but it would seem that I am not on my own experiencing the opposite
I got irritated, so I started to look for what pro teams have done with 9150 RD.
I have Dogma F8 so I just looked for Team Sky for the obvious answer, as F10 shares the same RD hanger as F8. After taking a look at Team Sky's set up, I realized they have installed the RD with a gap between the hanger and the direct mount piece, despite what the Shimano manual says.
This is the Shimano spec set-up
and this is Kwiatkowski's F10 set-up.
Notice the noticeable difference in angles? If you can't see it, use two 5mm bolts as reference points. You will see that with Sky's setup, RD tilts quite a bit more toward the rear. It creates more 'space' for wheel to pop out. This makes wheel change a breeze, since there is no RD pivot spring to overcome.
Additionally, that kick toward rear from Sky's set-up made my chain tension problem with RD9150 disappear.
Overall, I am very disappointed with how RD9150 is designed, but I guess I have to make do with what i've got.
beanbiken wrote:@jwfinesse thank you, is this what you have done also [the different angle]? I was looking at maybe shaving some excess material from the pulley cage but your "fix" is certainly easier. I guess I could get the angle right then make a plastic spacer block and glue tape it in place. That would be easy to reverse
Yeah, all I did was changing the angle of RD install.
What I did was:
1.Shift to small ring on the front, and 3rd smallest cog. (right at the cross chaining limit if you have 52/36 or 50/34)
2.With the chain tension bolt (on the back of the RD) all the way out, I manually tilted the RD backward until there was no slack in chain.
3.Holding RD in that position with my left hand, I torqued it to 8NM. This will give you enough space to make the wheel change easier.
It sounds your plastic 'stop' method would be more secure, but so far, my set-up didn't budge, so I might just stick with it for now.
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