LTWOO ER9 & ERX - Electronic groepsets

[neobiker]

As for the price increases, we might want to wait a bit, I expect it is because the anniversary sales is coming and store are jacking up the prices so that the discount seems bigger.

[user757]

For the 14500 batteries, must they be the 800mAh type, or can larger capacities (like 2500 mAh) be used? Anyone happen to know? As long as they're the same dimensions of course.

[amacal1]

For the 14500 batteries, must they be the 800mAh type, or can larger capacities (like 2500 mAh) be used? Anyone happen to know? As long as they're the same dimensions of course.

I would stick to something closer to the 800mAh. Not because the system can't handle different capacities (it can, as far as I know), but only because a correctly spec'd cell of that size can't differ in capacity THAT much. Something about the cell must be different, or they're wildly overstating the capacity. Neither bodes well for an indication of quality or compatibility. For reference, I have some good quality XTAR cells that are stated to be 800mAh and my eGR can go many hundreds of miles and thousands of shifts on a full charge. You don't need such wildly over-stated capacity for it to function well.

[mozart]

I would stick to something closer to the 800mAh. Not because the system can't handle different capacities (it can, as far as I know), but only because a correctly spec'd cell of that size can't differ in capacity THAT much. Something about the cell must be different, or they're wildly overstating the capacity. Neither bodes well for an indication of quality or compatibility. For reference, I have some good quality XTAR cells that are stated to be 800mAh and my eGR can go many hundreds of miles and thousands of shifts on a full charge. You don't need such wildly over-stated capacity for it to function well.

i use xtar too. no drain and i go many miles

[benquick]

Hi, I have been an owner of ER9 for more than a year now, but as the days are getting warmer this time of the year (for anyone living in the northern hemisphere, at least), I noticed that the brake lever action is changing very noticeably depending on the temperature. For example, I recently adjusted them to be responsive at around 5 ºC, but now that the temperatures are at ~15 ºC, the rear brake sticks significantly. I suppose this is not normal, and I am wondering whether anyone else has experienced something similar and if anyone has any ideas what the problem might be.

[mrpercussive]

Hi, I have been an owner of ER9 for more than a year now, but as the days are getting warmer this time of the year (for anyone living in the northern hemisphere, at least), I noticed that the brake lever action is changing very noticeably depending on the temperature. For example, I recently adjusted them to be responsive at around 5 ºC, but now that the temperatures are at ~15 ºC, the rear brake sticks significantly. I suppose this is not normal, and I am wondering whether anyone else has experienced something similar and if anyone has any ideas what the problem might be.

yea i've got the same thing too and don't know why but doesn't bother me much... I just adjust the lever reach adjuster to compensate

[mozart]

I have seen a difference in the travel of the lever due to heat. Indeed, in Greece we reach 45 degrees. If there are any sticking, it is better to lubricate the pistons and if necessary, change the cables and the oil.

[benquick]

Ok, thanks for quick replies. I have never heard of piston lubrication, but I will check it out!

[00Garza]

Hi, I have been an owner of ER9 for more than a year now, but as the days are getting warmer this time of the year (for anyone living in the northern hemisphere, at least), I noticed that the brake lever action is changing very noticeably depending on the temperature. For example, I recently adjusted them to be responsive at around 5 ºC, but now that the temperatures are at ~15 ºC, the rear brake sticks significantly. I suppose this is not normal, and I am wondering whether anyone else has experienced something similar and if anyone has any ideas what the problem might be.

This started happening on my GR9 brakes to the point that I had to DNF an event as the rear wheel could not fully turn without dragging on the brakes. Switched them out for GRX calipers.

[mozart]

Ok, thanks for quick replies. I have never heard of piston lubrication, but I will check it out!

[user757]

Does the LTWOO er9 setup ship with brake pads?
Can someone recommend their favorite replacement pads?

[mozart]

Does the LTWOO er9 setup ship with brake pads?
Can someone recommend their favorite replacement pads?

yes with brake pads. i replace them with shimano L05A-RF. just be careful all shimano pads for alli aren't original

[Pumpkin]

The cheapest spot to buy LTwoo groupsets is from the LTwoo official choice store. Just make note, The LTwoo official store won't warranty coverage the items. I did risk buying my Ltwoo eGR groupset from that choice store since it was under $300 USD, but I knew what I was getting into and the savings was worth it to me.

there may be some shops with near-identical names , but I had bougt from this Ltwoo official store
https://ltwoo.aliexpress.com/store/910450018?spm=a2g0o.order_list.order_list_main.8.1d8c5c5fe69jIu

And they did send me a new RD for my ERX  on warranty!

[jonathanf2]

I just confirmed with the 80 Design store that the Ltwoo eR9 also has the new USB-C FD charging. So it looks like the only difference is in appearance between the two. That makes the eR9 the value deal if buying right now. 

I added a screenshot with their chat reply! 

[MeoMeo]

I have a Ltwoo 1x11 hydraulic group, excellent group and powerful braking, but after a while the rear brake loses its bite, I open the screw, let a little oil pass and it works again. Why does this problem occur and how can it be solved? Original Ltwoo calipers.