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No.
Replaceable derailleur hangers are designed to break to save your frame not your derailleur.
Are we talking about the same thing here?
the UDH, is in fact a Universal Derailleur hanger, that is designed to be sacrificial.
the new SRAM transmission mounting is designed in much the same way, with replaceable/rebuildable parts.
What has been designed by @kroe can be thought to be a stiffner of sorts, that could also "shrug" off impacts, similar to what both specialized and Syntace has done in the past, but obviously not for UDH equpiied bikes, which would make his design novel in that it could be used on any bike with that uses a UDH.
Does that clear it up, or am i missing something?
Sent you a DM
The UDH is sacrificial, but it doesn't protect the derailleur it protects the frame.
Sometime people think the replaceable derailleur hanger is to protect the derailleur. It is not, it protects the frame.
One of the potential downsides to transmission is that without a sacrificial derailleur hanger, there is more potential to damage the frame (or hub) in a crash.
It's designed to rotate to hopefully move the derailleur out of the way.
Exactly, UDH rotates.
Linking the derailleur to the stiff and strong UDH axle assembly strengthens and stiffens. This could change failure modes like many bike modifications (including a full mount derailleur), but the UDH dropout will still rotate on impact like it should, and the brace does not stick out past the derailleur body (it's not a new snaggy bit).
Neat, hadn't seen that before.
UDH makes the concept more practical, since it standardizes position of the derailleur relative to the axle. Forward we regress!
This looks pretty good, but I'm left wondering how many people can stand on it?
Direct from SRAM its designed to protect the derailleur and the frame.
Remember when everyone was yelling about how we were gonna see a ton of broken chainstays due to direct mount? I haven't seen a single instance; have any of y'all? Or even heard of one?
Careful man. Unless you’re trying to trigger all the gearbox zealots on purpose…
A friend at the shop I used to work at says they're getting Transmission problems all the time (mostly imprecise setup and some have had the mount start 'chewing' into the frame, but no broken stays as far as I know). Seems like it's generally better suited to a high standard of frame quality and very careful setup, two things not typically associated with most mountain bikes and their riders
My 2 mechanic mates vouch for this, also a few of the frames aren't aligned perfectly out of the molds due to paint the thread tapping and hub facing not being perfect, so the alignment can be slightly off, and theres no quick fix, as you can just bend the hanger to align things anymore.
I'm not surprised, it's definitely *very* sensitive to alignment (and thus proper torque) issues.
I'd bet SRAM is quietly working to improve that since getting bike manufacturers to improve tolerances seems unlikely...
/derail
Just to clarify.
The UDH allows rotation to the rear which helps protect the derailleur, from some impacts. So yes in certain circumstances the UDH can protect the derailleur. Those impact do not damage the UDH either.
In impacts large enough to damage the UDH, the bending of the UDH primarily protects the frame. In a side impact (likely the most common) the UDH does nothing to protect the derailleur only the frame.
I saw the chewing problem on a buddy's Stumpjumper Evo but I can tell you with certainty that it was his fault and not SRAMs. He was using an axle that "fit" but wasn't the correct one and was slightly too big and didn't torque the derailleur properly because it "stuck" when he did. So, yeah, he's an idiot who should't be touch his bike for maintenance, but that's the way it starts chewing into the frame.
Other than the slight slipping problem I have on one bike that appears to be related to a slightly off spec cassette, I have had zero problems on the 10 bikes I have installed it on and that includes two bikes that SRAM didn't list at the time of install where I just used the chain stay length to calculate the values. It far exceeds my expectations on working with a wide range of variables. If you could simply microshift at the gear level the majority of issues that most have would go away.
That's what's really annoying to me because it seems like it's a completely fixable problem via new firmware (or maybe even just a software update). Hopefully it's in the works and there isn't something stupid preventing them from implementing it.
This has been a common wish from consumers about the prior AXS also. I believe that Sram is using a stepper motor with a hardware fixed movement distance for each shift. Per gear micro adjust would require a different motor.
First gen MTB AXS already has micro adjust. Even if they are using a stepper motor (would make sense from some standpoints), there was information when the first derailleurs came out that they are running the motor at 10.000 rpm, so I seriously doubt that gear position can't be tuned more finely than what is available. I think the main point was to make the system as fool proof as possible (set position and thus a mount and forget product). Judging by the comments here that creates more issues.
I'm specifically talking about twisting, i.e if the mount is partially twisted (off axis), the derailleur can't adjust to that (to my knowledge).
The view that we will make it so strong it won't deform and twist, is inferior in my opinion to a design where you can simply twist it back into alignment.
Fox has bunch of the new 2024 38 part numbers on there site now. Dampers, comp and rebound tune assembly, etc. Anyone know when we should see complete forks released and in stock?
Also, is this this 24' damper tune the same one Jordi is talking about in the Dialed videos?
Thanks!
2024 obviously
Chatted with my LBS today and the 2024 damper cartridge is in stock and available right now. No 2024 forks available yet, and no details on what the new cartridge entails, but Fluid Focus had posted on their Instagram a little while back comparing the 2024 tune to their grip2 custom tune.
The Fluid Focus IG post in case anyone was interested - https://www.instagram.com/p/CzM3aLPPpEQ/
Just seen in Finale Ligure:
Seems like Formula has an Air Can in the works.
Isn't an air shock from Formula a long known open secret?
Thats sick but I want that fork. To be honest if it worked at 160mm Id take it just for the advantage of having a perfectly aligned stem. I know, first world mtb problems.
The air can is very monarch like
Yeah I can't tell if that's a Nero or the prototype dual crown Selva, but the latter would be an interesting product in a lot of ways, although given that not all manufacturers will let you run dual crown forks on their enduro bikes (pretty sure it voids the warranty on a Bronson for example), I'm not sure how well it would sell and if it would perhaps result in more enduro bikes with built in fork bumpers, etc