I’m wondering if the community can share long term experiences with 2x Mullet type of setups, as the title indicates. I’m very interesting in doing this upgrade for next year, my main concern is the precision and speed of shifting. I’ve heard that the issues are usually in the small cogs.
The tradeoff between XT, XTR is price vs weight…and durability.
Thanks a lot!
December 23, 2022, 6:35pm
I might be wrong but I think you could get a similar end result with a GRX chainset and front mech?
You can go as low as 31 (small ring) x 34 big sprocket. = 0.91…I do not want to change my front chain rings yet, because that’s my dual power meter. My query is specifically about compact mullet.
Works with a shimano rx800 RD way out of specified capacity
I have been very happy with my setup.
My old setup was Ultegra mechanical, 50x34 & 11-40 using an XT MTB rear derailleur with a Wolftooth Tanpan leverage adjuster. Worked a treat and had full range with the long derailleur.
So, same gearing but the rear derailleur sticking with the GRX Di2 will potentially limit the max cross I would guess. I don’t do it, but the big x big combo “works” and won’t rip off my derailleur. I’d be careful with the GRX 2x rear as I don’t think it matches the takeup of the XT I use.
Can you run an xtr di2 rear with GRX hoods and a 2x dura ace di2 front / crank?
I think the xtr di2 mullet only works in a 1x config
December 24, 2022, 3:06pm
I have 50-34 and 11-40 on my Trek Domane. Ultegra, medium cage derailleur with the wolftooth roadlink extender.
The bike shifts fine - but I’m generally shifting in a controlled, smooth way - i.e. no panic shifting like you might do in a race or on a MTB.
December 24, 2022, 4:39pm
I’m running a rotor 46x30 with an 11-36 cassette. Ultegra Di2 works just like in-spec. 11-40 would also probably be fine with a bit of b-screw tweaking.