Author Topic: LTWOO ER9 & ERX - Electronic groepsets  (Read 1535231 times)

mozart

Re: LTWOO ER9 & ERX - Electronic groepsets
« Reply #2235 on: October 07, 2026, 04:00:42 AM »
did you check it with another smartphone?

hebron

Re: LTWOO ER9 & ERX - Electronic groepsets
« Reply #2236 on: October 07, 2026, 04:25:41 AM »
Yes, tried with my new one im am going to change to soon. But the same phenomenon.
Can not see it my list, but searching for new ones i can find it but not add it.

TCR Boy

Re: LTWOO ER9 & ERX - Electronic groepsets
« Reply #2237 on: October 07, 2026, 04:53:32 AM »
I’ve been dealing with an air ingress into my right shifter brake lever for a while now. I bleed it and it’s fine for a few rides then it goes spongy again.

Seller (L-twoo factory store on Ali express) sent new air screws for the shifter which hasn’t rectified.

There are extremely slow in dealing with anything.


hebron

Re: LTWOO ER9 & ERX - Electronic groepsets
« Reply #2238 on: October 08, 2026, 02:39:27 PM »
Tried search the forum for my issue but did not find a solution.

Used my Erx V3 since may with absolutely no issues at all.
Then i got sick and my bike sat for about 4-5 weeks and now the groupset is gone in the ltwoo app.
The app find the RD but its not possible to do anything, so i cant add it again.

Tried emailing Ltwoo but no answer as usual when writlng to them.

Does anyone know about a solution?.

After 5 days i managed to fix my groupset. Still dont know what the problem was. For some reason i could connect to it when i was on my company wifi. So i updated the RD and now it works back home aswell. But it was impossible to do it back home or via 5G on the phone.

So for know its back up and running

jonathanf2

Re: LTWOO ER9 & ERX - Electronic groepsets
« Reply #2239 on: Today at 12:26:42 PM »
My LTwoo ERX v3 rear derailleur crapped out. Not sure what happened. I was tuning the derailleur at home and all of a sudden it just wouldn't shift. I tried resetting and restored the factory settings, but it's both dead with the shifter and the app. I'm talking to 80 Design store right now sending video and screenshots. Overall though it's been working fine with no issues.

I'm waiting on 80 Design store to go through my photos/video and send me a replacement RD under warranty. Strangely, my v1 eR9 RDs have been working rock solid!  ::)

Livingmannequin

Re: LTWOO ER9 & ERX - Electronic groepsets
« Reply #2240 on: Today at 03:19:55 PM »
I got a strange problem that might be related to the battery:

After not using the bike for 2 month as i was traveling and became sick after it now won't work without being charged.
When I look at it in the app (while it's getting charged) it says it's full but when I disconnect the cable it instantly shuts off.
Already dis- and reconnected the cables but that didn't do anything. Will check the battery tomorrow but I can't imagine what could be the case...

jonathanf2

Re: LTWOO ER9 & ERX - Electronic groepsets
« Reply #2241 on: Today at 05:13:15 PM »
Which version are you running? Also doe it at least shift in the app? I'd try standard 800mah batteries and see if those hold charge. I had a similar issue awhile back and it was battery related.

Livingmannequin

Re: LTWOO ER9 & ERX - Electronic groepsets
« Reply #2242 on: Today at 05:41:59 PM »
Which version are you running? Also doe it at least shift in the app? I'd try standard 800mah batteries and see if those hold charge. I had a similar issue awhile back and it was battery related.

Version 1.5 and yes i can shift from the app but only when charging, once i disconnect the cable it's dead. Due to a battery holder disintegrating I got a replacement one which is a sealed one so I can't change the cells... Will see what I can do