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I've tried to quickly search, but couldnt find it - does anyone happen to have the groupset weights between er7 / er9 / erx?Look in the description on AliExpress. Some sellers have photos of the scales in their descriptions.
I understand that the er7 is all metal, but in terms of weight how big is the actual penalty?
Cables were definitely correctly plugged and if they weren't, reconnecting would have waken the drivetrain up. If you disconnect any of the cables and then connect them back the drivetrain immidiately wakes up. So I'm pretty sure the problem is somewhere else. If it happens again, i will try different batteries and maybe a different battery holder but my current battery worked prefectly for more than a year and it would be quite a coincidence if it suddenly died after i swapped the drivetrain.The battery pack contains a microcircuit that cuts off power when the charge is low, preventing the batteries from being completely discharged. Check that the batteries are making good contact, as disconnecting one triggers the protection and requires reactivation. Therefore, it's quite possible that hitting a bump could cause poor battery contact.
V3 has some nice features but I'm now beginning to regret the change after it almost ruined a ride on what was a single warm day in weeks.
I will also ride with a front light that doubles as a powerbank in case i need to wake the drivetrain up again
Hi guys, after few months without any problems i have one with Er9 v1;/ Last ride was in wet condition, after ride cleaning etc, RD and FD was warking fine, next day also but yesterday totally dead ;/ Battery ok, FD ok, shifter ok, cables ok (i have tested with second ER9), only RD is dead, no reaction when plug charger etc (before led was blinking). Probably water do some mes ;/ This is v1 so in this case have someone info maybe what happend with maainboard or where water could get into RD to protect it in the future. I have the RD wire contact protectedLook for my earlier messages in this thread, I wrote everything down in great detail
Also will v3 RD work with shifters and FD from v1?
I'm sure my derailleur is now removed and located separately from the bike.I'll answer this myself:
the lowest mine goes is 2. didn't test the outer most position but it was more than enough. Are you sure the cage is not blocked by the chainrings?I'm sure my derailleur is now removed and located separately from the bike.
Ok, thanks for this information.I don't see a charging port on your rear derailleur, as far as I know it's a v3
I have V2. I already tried to open it using a knife, without success. Maybe I will heat the case and try it again.
If only it were that easyWater leaks in through the motor shaft and the rubber seals, not through the housing. What version of the derailleur do you have?
I think mine is different to yours.
On the marking at the photo there were no screws. Probably they used glue instead of screws.
I will put some sealing on the outside to ceap the water away.
Thanks
Have you used it? I just got my wheel and it doesn't work, the chain comes off on 1st and 12th gears....Shifter ltwoo erxI contacted the supplier, and their technician said the pulley doesn't support 12 speeds and suggested a return. A 12-speed pulley is in development and will be available for purchase soon.
It is completely free, now open it.
I checked your photos a lot, thanks for it.Send your photo from the other side, what you photographed is not what is shown in the first photo, just turn it over and send the photo.
Did you cut of something at the marked area?
Sorry for being so annoying about this topic, I don't want to ruin it.
Yes. The pulley wheel needs to be set at the right distance on the cage. I'd go small/big or big/big and adjust the pulley wheel until it doesn't derail when spinning the crankset. Once set properly it should spin smoothly.I've already tried different pulley positions, but nothing changes. I think it's a mistake that it's not narrow-wide; then it would work correctly. But I still don't understand how everyone installs it and gets it to work correctly.
I'm not a big fan of OSPWs, but this 18t offset pulley wheel actually works. It allows bigger cassette sizes while maintaining solid RD shifting:Have you used it? I just got my wheel and it doesn't work, the chain comes off on 1st and 12th gears....Shifter ltwoo erx
https://www.aliexpress.us/item/3256810576987349.html
On my eR9 groupset, I'm running a 2x 50-34t chainring + 10-36t XDR 12 speed with this setup and no additional modifications were needed except for swapping out the lower jockey wheel. Prices fluctuate, so I'd shop around or wait for a sale.
Maybe I will try a varnish, too.It needs to be freed from everything, and it will open easily, at least my B2 was simply snapped with an elastic band, look at my photo about 15 pages ago.
I did this already, no metal and screw on it.
Did you use a tool to open it?
How did you open the case of the electronic? I don't want to destroy it.You need to completely free the plastic case from any metal components around it, then unscrew all the screws and the case opens. I applied a special PCB varnish to protect the components and the board from water.
I want to protect the electronic with this.
https://www.wet-protect.de/e-basic-feuchtigkeitsschutz-spray-dose-200ml/
You can spray it directly on the electronic and protect it from water.
