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No wonder that 10x grx is compatible to 11 speed because like tiagra4700 its a cut 11speed

Should not all cues the same because they are all based on 11mtb

Back in the old days shimano had the centeron g pulley that had quite alot of play. I would rather new cassettes were available with the cogs and the spacers seperately so you could fine tune shifting with different width spacers

How about the 9 speed?

To sum it up it should work with any MTB 10 speed shifter and derailleur that are compatible with each other and cover the range of the cassette? I'm quite confused since Shimano does not include this information on their compatibility chart... I've Microshift advent x on my commuter and will try it out this winter.

Data the manufacturers should provide. How about looking at the Ltwoo derailleurs? The T line with clutch has good reviews and are quite attractively priced, such as the T7.

Huh, that’s essentially exactly the same as my shifter-mech combo, the only difference being that I use the X5/7/9 branded stuff before the consolidation under GX happened. You just gave me a new cassette option - much obliged! 🙂

If that GX rear derailleur has a clutch the 39 tooth is probably the limit. Though they look alike the non-clutch and clutched versions have different limits. I've tested both versions with a 2X GX set up on my stock Surly Bridge Club (11-40). The clutched version hung up on the 40t yet the non-clutched version works (also beyond spec). So goat link going beyond these cassettes. BTW I wouldn't be surprised if Shimano left well enough alone regarding backwards compatibility. If shops found themselves buying Cues components trying to integrate them into shifting set ups only to find things don't work ( built-in obsolescence). It would add to the #thanksshimano exposure. I haven't looked but perhaps there's a compatibility chart. Much appreciation for your work👍.

Thank you for sharing your findings! Hope you can test Shimano's new entry level Essa RD and 11-45 8-speed cassette

Thank you for sharing your research, very appreciated!

You are awesome Booth! Keep it up bud I believe in you!

Could you 3D-Print a plastic cover to make a 12 speed Shimano cues shifter?

Great stuff as always!

Thank you. I'm glad, that Shimano did 9 speed Cues derailleur with low ratio 1.1 and shifter with high 3,6mm cable pull. Because old 9 speed MTB Shimano derailleurs with high ratio 1,7 and shifters with low 2,5mm cable pull was very sensitive to hanger straightness, quality of cables and temperatures too.

Righto, so it seems that Dynasys and Linkglide are likely the same pull ratio, and we are entering back to (some) Shimano cross compatibility (at least at the MTB end of the spectrum) ...

YOU DID IT!! I always was curious why these videos didnt exist at all, and you finally made it! (Or, I finally found it)

Impressive! I tried to do the same for Microshift's Advent X, but my setup was much less precise. I ended up with garbage data with too much noise. I see that you've measured Advent X already.

How do you determine where the second largest and second smallest cogs sit in the derailler's range?

thanks！I am waiting for CAMPY 12S cable pull and pull ratio.

Nice! I am really curious, the Campy rep told me they changed the Ekar GT pull ratio, so the shifters and derailleur are no longer compatible. Ekar has always been finicky for me, I wonder if the cable pull was increased across the board, or maybe just the big cog

Hello would this shifter work with 10 speed cues u6000 derailleur? I only want 9 speed and need clutch function.

Whoa, this is the best and nerdiest answer I was looking for. I'll definitely look up more videos as compatibility is such a headache.

interesting to see so much variation in the middle gears. Do you think this has something to do with the 13 speed cassette? Or is it just manufacturing tolerance?

May I suggest place a short explanation description in areas like deraileur pull ratios that explains what that means to those that don’t understand Example: Deraileur pull ratio is the amount the deraileur moves relevant to the amount of cable pulled by the shifter. Couple this with your desired shifter to see if you get the right amount of shifting width to accomodate your cassette spacing. It may be ok to have a shifter exceed the number of cogs on your cassette but make sure you adjust the limit screws to prevent mover shifting into the dropout or the spokes. It is recomended you test the combination thoroughly befor committing ,to any setup.

Brilliant work. I'm really fed up with being told what I can ride by a company ..... which has about 80% market share! Your work has the potential to help us break free. Thank you.

Thank you. It is important. Getting more people on bikes. Thank you for sharing.

Finally! This is great news.

Excellent resource! Thanks for all that your doing for the alternative cycling community

So would this be able to replace a derailleur with Shimano MTB pull Ratio?

If I use a Clues 9 speed derailleur with a Shimano Altus 8 speed shifter, will it shift on a 8s HG cassette properly?

Interesting to see the CUES that you measured before was 1.13? but is in the ball park enough to work with Sword.

Microshift will soon release Hydraulic Shifter. It will also work with CUES, ADVENT, SWORD, Sunrace UX/US/U9.

Great job! So this explains then why Sword shifters work with Cues derailleurs. The pull ratios are pretty close

SRAM introduced these rd designs with their 1X systems. To me they seemed counter-intuitive. My first thought was why would any manufacturer drop the slant from the parallelogram (pun intended)?. The early marketing graphics that show how the it works are really too simple in explanation. It's now 10 years since introduced. Does an observation of built-in yaw mean that the parallelogram is uneven - so slightly trapezoidal? There's a lot going with these mechanisms. Great work - interesting and engaging stuff to follow.

I really like your way of presenting the results of this rather niche topic. Thank you for the insights shared here and in other videos!

Thanks a lot, because of the fact, that 10 speed Road derailleur ratio 1.7 was previously used on both Road and MTB 6, 7, 8, 9 speed Shimano derailleurs, I changed Shimano Ultegra 6700 10 speed Road derailleur with 9 speed MTB derailleur RD-M3000 and than I was able to use larger MTB 11-36 cassette on fitness bike instead of maximum 11-28 cassette. ruclips.net/video/LPDVqH4duL4/видео.html

You doin some of the finest works in the name of cycling gods....the fact that Lord Russ has blessed you means this channel will grow very fast, very soon. M here for all the rides on the pull ratio trains....I moved full time to friction so I find these even more fascinating. :)

You are amazing, thanky you so much for your work

Loving these videos. Any chance you will do Shimano 12 speed road and MTB? People say 12 GRX is the same as 11 but results vary a lot, so maybe not. But 11 and 12 MTB seem to be same.

Really interested to see this one is so far different from the GRX RD-RX400. Perhaps due to wear?

Love this work. I have been experimenting ever since Sachs "Ergos" with (otherwise) Shimano 8s matched up back in the early 90s. Then Shimergo, and now running a simply modified Dynasis 10s RD with SRAM 9s shifters for cheapass 9s with a clutch - flawless. Any likelihood of a consolidated document that enables "proactive" experimentation - i.e. all known (measured) RD pull ratios, shifter cable pulls, and cogs spacings? Then all you hard work could really be put to use by identifying the best component to use, when you have two already in hand ...

Great video!, thanks for doing this :)

it's noteworthy that 2.50 cable pull should be the same as shimano 9 shifters (road-mtb, good old times when they were the same).

So, theoretically, if I wanna use this derailleur on a 12 speed cassete, the Sram SX 12 speed shifter would work fine, right?

Still greatly appreciate your work here. I'm curious - in the spirit of reverse engineering, would mapping derailleur pivots and body dimensions (diagram of parallelogram) provide any worthwhile info to the database you are building?

As an engineer I really like your videos. If you find a combination of hydraulic brifters and clutch rear derailleur able to run 10 or 11s LG cassettes would be very nice. People that are using them for MTB are claiming how good they shift under load, so it would probably be good for gravel too. By the way, just for future records, may you want to differ the HG cassete to the new LG ones cause they probably will become common in entry level bikes very soon.

Hello, I'm looking for a cheap set. I was thinking about the new linkglide CUES CS-LG300-9 11-41T cassette. With cheap Acera RD-M3020 derailleur + old Alivio SL-M3100 shifter. My question is: Will this shifter work with the new CUES cassette? How do I check this? r3020 derailleur has interesting specifications.

Is there a table of derailleurs and shifters, their pull ratios and compatibility?

Yep, works perfect with all 11 and 12 (Shimano)

Do you have any thoughts on why the cable pull ratio you measured wasn't the same as the GRX 10-speed RX400 you measured? Both of these RD's are exchangeable with GRX 11 & 10 speed shifters, Dura-Ace & Ultegra & 105 11sp shifters, and Tiagra 4700 10sp shifters. How much cable-pull ratio difference matters?