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Re: LTWOO ER9 & ERX - Electronic groepsets According to ltwoo store on AliExpress, it's 2x14500 batteries (similar size to AA but different voltage).

I bit the bullet and ordered the groupset off AliExpress, including shipping it :) was $611.50USD after a coupon (JUNE24OT for $24 off) and the sitewide sale on AliExpress
June 15, 2023, 09:47:04 AM 		1
Re: LTWOO ER9 & ERX - Electronic groepsets Both Shimano Ultegra mechanical shifting groupsets R8000 (rim brake) and R8020 (hydraulic) are still tremendous values even till this day. 3 of my bikes still run Ultegra R8020, and the gear shifts are just as fast and reliable as electronic groupsets even after several thousands of miles.

Obviously having to route four cables internally is a pain, which is almost worth the electronic upgrade alone. It just seems like until LTWOO/Sensai can offer a mechanical groupset that matches the refinement of Ultegra mechanical...making the quick jump to electronic is a difficult ask for early adopters.

I still want one though, as it would make for good YouTube content  ;D
July 06, 2023, 11:59:19 AM 		1
Re: LTWOO ER9 & ERX - Electronic groepsets Another masochist eR9 beta tester chiming in:

As with the user above I also had sub-optimal interactions with their customers service, with typically 1 business day gaps in the reply time, so getting a replacement part which I had damaged took a total of 5 days to be dispatched.

Regarding the shifting performance, it's quite good. A few rides so far and no missed shifts or issues with the groupset not waking up.
Shifting under load up to 200w is crisp and the app integration is very good. Being able to adjust each cassette and chainring offset through the app is fantastic for setup, during my first ride I was able to whip the phone out and fine tune the trim whilst riding.
Regarding the trim function, I'm not sure if it is a result of the latest update but you can now trim in both directions (however) the trim direction is not controlled by the user. Essentially whenever you hear front chain rub, pressing shift again will trim the FD if the system determines it needs trimming, and there seems to be several steps. I.e if I shift from the 11th cog to 9th there is a trim step, then 9th to 3rd it will trim again, then the same the other direction.

Install wise it was easy, not having to run gear shift cables saves some grey hairs especially if you're fully integrated. The YouTuber Klein concept has a solid 90min install video which walks through all the steps.
September 23, 2023, 09:52:40 PM 		1
Re: LTWOO ER9 & ERX - Electronic groepsets
Quote from: Maden on September 23, 2023, 10:52:23 PM
What was the part?

I had gotten some debris stuck into the left shifter hydraulic system, essentially i accidentally turned the plastic line plug the wrong direction then couldn't get it out without using an extractor screw. Pretty big oopsie for a lapse of concentration  :'(

I paid for the replacement part since it was my bad, so it's nothing special in terms of customer service.
September 24, 2023, 01:14:44 AM 		1
Re: LTWOO ER9 & ERX - Electronic groepsets Received my er9 groupset in the mail today. After having built a bike with RX12, im particularly impressed with the finishing quality of the RD and FD. The surface finish is very nice. It seems a bit more polished than the RD and FD that come with the RX12 groupset.
The RD does have a serial number, so it seems it's one of the later units. Hopefully, it doesn't fail on me.
Still waiting on the frame that this is going on to. I'll post an update then.
September 29, 2023, 07:40:44 AM 		1
Re: Lightcarbon LCG071-D Build
Quote from: Noladutch on September 28, 2023, 09:36:04 AM
Wow. I would just take a deep breath and relax I bit.

Lets put your frame into what you can truly buy for that 660 bucks. In my world you just bought a surly with a free headset stem and seatpost. Now look at your purchase. Would you rather a surly? Not me.

Lets go higher end well than a thousand bucks cheaper that a steel Rodeo Labs or Fairlight still with the free stuff.

The other thing when you had the stuff out crapping on the holes not being perfect did you take the time to measure the BB? Do you have a problem? And with what exactly? With a 40.8 you do realize that is less than two human hairs from 41. A human hair is .17

Everyone likes to crap on the frame without measuring the bb. The other thing press fit works when ALL things measure right not just the frame. Some brands of bb have the same problems making circles. The thread together or all the others are designed to fix problems. You only need them when you do have a problem.

I personally would just install a bb that measures what it should and ride it. You should order from a brand that offers t47 next time odds are that is what everyone is going to.

Nice bike certainly nicer than my old surly trucker.

Yeah I agree for $660 it’s quite good. All the complaints I have, have solutions. I really just present my review of the build to provide some contrast to the overly-rosy reviews from the YouTubers. I chose this frame because I was led to believe this frame was exceptionally high quality despite the price. And while it’s not bad, (especially compared to some of the competition) it has significant flaws I hadn’t expected that need attention in the workshop.

I’ve taken the bike out for its first ride, it’s a fine bike! Crank is no longer binding so much, hopefully I start feeling better about it as a whole.

Oh and for the record, the mallet was not used on my bearings, I just desperately need to clean up in my workshop  ;D
September 29, 2023, 11:53:14 PM 		1
Re: LTWOO ER9 & ERX - Electronic groepsets
Quote from: Sebastian on October 11, 2023, 02:41:51 PM
I cannot for the life of me get the RD cable through the chainstay. A cable housing is no problem. But the electronic cable plug is rather long and stiff and it seems there’s a bend in the cable entry port at the rear drop out that I just can’t get the plug to pass. What’s more is that my internal cabling tool is useless for this bc you can’t connect it to the electronic cable in any way. So I keep taping it to shift cable housing and try to pull it through from both ends. But no success. It tears off every time.

Any tips?

I managed to get it through. In the end it was the frame's fault really. There was some sharpish edge preventing it to go through. I rolled some very coarse sandpaper into a longish roll and inserted it like a small file and sanded it smooth. After that, I managed to pull it through upon the first try.
October 12, 2023, 07:33:52 AM 		1
Re: Lightcarbon LCG071-D Build Here's a photos of my build + an action shot!

I'm currently running Pararacer EXT 38mm on the rear and Donnelly PDX 33mm (effectively 35) on the front. I've got another Panaracer ext tire coming in the mail for the front ;D

What can I say? This bike has been a fast cross bike. This bike hasn't stopped me from setting some new Strava PRs up the doubletrack climb and the toughest switchback descent at my local stomping grounds. It also hasn't stopped me from modestly outperforming my most recent crossresults-predicted race result this weekend, despite being way-down on fitness according to Garmin. I'm guessing the move to sightly wider rubber has helped, but honestly I'm riding this thing faster at my local mountain bike track than I am riding my new Cannondale Scalpel. So much to say--It's not a completely new or mind-blowing experience, but I feel very confident on this bike, it's very light, and it effectively lets me put down power. Despite my initial misgivings, I have to say I am very happy about the bike so far!
October 18, 2023, 09:10:31 PM 		1
Re: TanTan TT-X38 Build Update on my centerlock rotor issues. I tried tape, I tried Loctite 601, I tried threadlocker. It helps but it doesn't solve the issue. Incidentally, I talked to two friends of mine who both only realized upon me asking them that they also can make their centerlock rotors rock back and forth on their hubs if they try. It really seems to be a centerlock problem that everyone just agrees to leave alone. Even DT Swiss themselves answered to a guy on a German speaking MTB forum and basically said that it's a problem of tolerances between different manufacturers that is annoying but doesn't pose a security risk and therefore should just be ignored. I have another set of lockrings on the way which I will try together with micro shims and see if that solves the issue. If not, then I'll consider this case closed anyhow. I don't notice it when riding. Braking is fine. It doesn't look like there's wear on either the rotor or the hub splines. I guess it's just another case of the bicycle industry inventing a new standard and then failing to meet its tolerances.
November 02, 2023, 06:26:22 AM 		1
Re: TanTan TT-X38 Build Ah, yeah - I'm using a 12sp chain with 10/11 chainrings.

I bought some rings from this us-made company literally called USAMade https://usamadeco.com/ - attractive prices and I appreciate someone trying to challenge the industry a bit, esp. from domestic soil.

Since they are so affordable, figured I'd take a swing at Ovals, haha.

This bike is never going to work correctly because I won't stop fucking with it hehe.
November 06, 2023, 05:04:13 PM 		1