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Messages - coppo

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Road Bike Frames, Wheels & Components / Re: LTWOO ER9 & ERX - Electronic groepsets
« on: June 17, 2024, 03:09:27 AM »
Quote from: rockerplates.de on June 17, 2024, 01:44:29 AM
i have noticed very few mechanicals defects on non electronic groupsets...but they are there...i have plenty of broken shifters after a years or so....then trouble starts: getting proper spares....we have given up on asking ltwoo for that..which ends up in big trouble for our customers, as they need to get the new part themselve somehow..there is no proper spare part infrastructure and communication..that is the major downside on this brand.....they like to sell, but they ignore any problems which occur and fail to help..they just do not care...even domestic sellers report that behaviour..
with electronic groupsets, its worse...because the groups are not as cheap to trash them...
So if you are willilng to have backup bikes or backup groupsets which help reducing downtimes and if you are willing to live with all the compromises....go for it..

Thanks that answer question n2 - but I kinda knew it already about Ltwoo support

Does anyone that actually owns an erX or Er9 groupset have experience about the first question, i.e. indexing without the need of using the app but relying on physical buttons only?


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Road Bike Frames, Wheels & Components / Re: LTWOO ER9 & ERX - Electronic groepsets
« on: June 17, 2024, 12:05:04 AM »
Hi all, I'm considering purchasing either the Erx or the Er9 from ltwoo for a new build, but there are few points on which I'd like to ask about your experience:

1) indexing of the gear: from what I can read on the forum and bits and pieces of information from Ltwoo on AliExpress (I could not find a comprehensive description of the groupset) the indexing is done via the partner app. Is there a way to use and index the group without the need to install any app?
Can you press a combination of buttons on the levers that will put the group into a "indexing mode" where you can go through each cogs and do micro adjustments just by clicking on the buttons and then memorizing that specific configuration or the app is the only way to go? (Opposite to what is possible with Shimano ).
My concern is that if in the near future the app becomes unusable (lack of support, new OS version of iOS or Android that do not supper and old app) I will be be left with an electronic for upset that I cannot index anymore

2) poor support from Ltwoo and availability of spare parts: I currently have two ltwoo groupset and I'm very happy with them (GRT and R9) but I recently broke the right shifters. When contacting Ltwoo official store or ltwoo factory store on Ali they are very very slow at replying and the only answer I got is that the R9 is out of production so they are unsure if they can sell me the single shifter and I should buy both (that apparently cost more than the full groupset). My concern is the following: mechanical groupset from ltwoo are fairly cheap, but if the same issue happen with the Erx or Er9 I wouldn't want to be payong an electronic groupset twice.


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