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Re: LTWOO eGR I was excited about this group when I first heard about it but with all the issues ERX has had, I'll definitely wait this one out a bit.
January 15, 2024, 03:28:38 PM 		1
Re: LTWOO ER9 & ERX - Electronic groepsets If using the silicone grease method to protect the RD cable, has the ER9/ERX groupset gone through enough manufacturing revisions to be recommended (by users on here)? It looks like most of the kinks have been ironed out and if the silicone grease does indeed enhance weather protection, one could just buy a backup battery/cable set off 80 Design Store for $20 USD and the rest of the components should be solid.
February 21, 2024, 11:48:30 AM 		1
Re: LTWOO ER9 & ERX - Electronic groepsets What about the heat shrink tubes? They are waterproof and they sure protect from water entering the RD?
February 21, 2024, 01:05:16 PM 		1
Re: LTWOO eGR
Quote from: sOKRATEs100 on February 26, 2024, 03:52:00 PM
Any news? Maybe directly from Ltwoo, if they read this as well...

I see it available at the Ltwoo official store on Ali. Not sure if its been updated from the version we've seen on the Trace Velo youtube channel. That version had some issues.
February 27, 2024, 08:20:05 AM 		1
Re: LTWOO eGR Good updates on eGR. Any water tests or washes as of yet for you guys running eGR?
May 13, 2024, 10:22:43 AM 		1
Re: LTWOO eGR
Quote from: trcycling on May 13, 2024, 01:24:53 AM

I'm wondering if you got the bleed kit sorted out and have any thoughts to share. I've got eGR set on the way. I'm used to doing deeper install research before installing but there is so little on it. So any tips or cautions are appreciated. (or pointers to a more appropriate thread)

Actually... I did have some minor issues. Mostly because I ordered the "no box / no battery" package, so I did not get Ltwoo's bleed kit. I ordered some supposedly Shimano compatible kit from Amazon, but it came with only one type of fitting and tube connector. Unfortunately, there was no way to get my syringe onto the Ltwoo caliper port. I had to order a different kit from Amazon that came with a variety of different fittings and doo-dads and, fortunately, one of them fit the port. If I could go back in time, I'd much rather have ordered the Ltwoo kit because it was cheap and would have been a little less headache. But, it was a relatively minor inconvenience. Plus, the delay let me re-evaluate how I had run everything, and I was able to take a little time to shorten one of my hoses a little for *perfect* fit and finish.

Also, while installing, I was completely convinced that they had left out a screw that I needed for my size caliper installation. I checked very thoroughly and was absolutely sure it was missing. I came up with a work-around solution and was about to write them an email so they could send me a replacement or at least give me the specifications so I could source locally, and the only reason I didn't send the email was because I resolved to do it once I finished for the night. Anyway... I found the missing screw PERFECTLY nestled and hidden inside some spacer or something. I mean, it was flawlessly hidden. So, I guess they did a great job packaging the hardware. If you order the "no box / no battery" package it surely looks like a mess of stuff just randomly shoved in a box with a bunch of packing foam, but they did have some order in the madness.

Quote from: 00Garza on May 13, 2024, 10:22:43 AM
Good updates on eGR. Any water tests or washes as of yet for you guys running eGR?

I kinda *need* mine to work this upcoming weekend as I'm riding it in a big century ride event I'm going to. So, I've been baby-ing it and being very easy with it. I'm surely going to be a lot more adventurous and abusive after that.
May 13, 2024, 10:57:35 AM 		1
Re: LTWOO eGR
Quote from: sOKRATEs100 on May 14, 2024, 03:08:56 PM
@amacal1: What kind of bleed kid did you buy? At the moment they only offer the version without box and without batteries on Aliexpress: https://de.aliexpress.com/item/1005006636427506.html

I think you can buy the Ltwoo bleed kit as a separate item on AliExpress.

On Amazon, I originally bought a "Borgen" brand kit, which there was nothing wrong with it other than the fact that it only had one kind of fitting and that fitting did not work with the Ltwoo caliper.

I then bought a "CYCOBYCO" brand kit that had a variety of fittings, one of which fit the Ltwoo caliper. This is not a full endorsement of that kit, per se. There seem to be many others that also come with a wide variety of fittings.
May 15, 2024, 09:20:38 AM 		1
Re: LTWOO eGR
Quote from: FabioZang on May 16, 2024, 04:09:55 AM
I will try to ask them. Usually, I can contact them directly through platforms like Taobao or WeChat, without the need for emails. However, based on the feedback I received from secondary distributors in the past, the new versions of the EGR did not improve the waterproofing performance. In special cases, it is necessary to disassemble the rear derailleur and manually apply some waterproof sealant. But such an operation may result in the loss of warranty eligibility.

Based on the experiences of my friends, they had to wait until the rear derailleur got water inside and caused issues before contacting Ltwoo for repairs or part replacements (mainly due to water ingress in the rear derailleur). This process can be frustrating, and this issue may not necessarily occur in every kit. I am inclined to believe it could be a quality control problem. Moreover, purchasing Ltwoo from outside China would incur higher post-purchase costs, both in terms of money and time.

However, there have been some software improvements for the EGR, such as enhanced logic for situations like stationary shifting and accidental button presses. As for hardware improvements, there is currently no information available.

China does have similar forums, but we are not exactly like BBS forums. We are more like Reddit, with channels categorized based on discussion topics, and the discussions tend to be more basic. For more specialized discussions, we usually rely on WeChat group chats, which are more closed-off but allow for deeper conversations.

Interesting (and unfortunate) news on the water resistance. Do we have any idea where the ingress is? I was planning on using dielectric grease in the ports to help ensure that isn't the ingress. But I wouldn't want to have to rip apart a new one to coat it with that or conformal coating.
May 16, 2024, 11:57:04 AM 		1
Re: LTWOO eGR The attachment contains the reply I received from Ltwoo's official support regarding the waterproof performance of the EGR. The main point stated in the response is that the waterproofing of the EGR has been improved compared to earlier versions (at least according to their official statement).

Quote from: trcycling on May 16, 2024, 11:57:04 AM
... Do we have any idea where the ingress is? ...

Unfortunately, I don't have the physical EGR item with me, and my friends are also unaware of the specific areas where potential gaps may exist. All repairs are handled by Ltwoo officially.

However, I have a suggestion that may not be fully matured. Perhaps applying some waterproof spray meant for outdoor clothing on the outer layer of the rear derailleur could be helpful?
May 16, 2024, 12:06:59 PM 		1
Re: LTWOO eGR Used my eGR for the Cheaha Challenge in Alabama this weekend. 100mi with lots of shifting because it was 9300ft of climbing. Shifted 2,323 times and spent an embarrassing number of hours on the bike (first time doing a century AND first time doing anything even remotely close to that much climbing), but the battery dropped 27% (from 100% to 73%). I'm officially no longer worried about battery life of this setup. Now to throw some real gravel riding at it, since this was all road riding...
May 21, 2024, 11:11:22 AM 		1