Lightcarbon: LCR018-D (endurance all-road)

MarioCanario · June 15, 2026, 10:27:11 AM

Quote from: gganderson on June 15, 2026, 09:16:48 AM
Didnt use any spacers. Running a 11-34/52-36. Could there be a spacer missing in the cassette?

hello. good hint maybe check spacers again? and if the lock ring is tightend sufficently with the given torque (i think 40 Nm)?

gganderson · June 15, 2026, 10:38:29 AM

Quote from: Shayzzz on June 15, 2026, 09:59:49 AM
This is my rear derailleur, I'm wondering if my UDH from LightCarbon is correctly installed ?

That could actually be the problem: My original hanger was bent. Had some troubles while shifting (but only in the largest and the smallest ring). Replaced it and never had issues again. Forgot to mention that before, I had the problem in January...

Shayzzz · June 15, 2026, 10:49:03 AM

Quote from: gganderson on June 15, 2026, 10:38:29 AM
That could actually be the problem: My original hanger was bent. Had some troubles while shifting (but only in the largest and the smallest ring). Replaced it and never had issues again. Forgot to mention that before, I had the problem in January...

Thanks, I have a new UDH coming this week, I hope that it will fix my issue.

Shayzzz · June 15, 2026, 10:49:34 AM

Quote from: MarioCanario on June 15, 2026, 10:27:11 AM
hello. good hint maybe check spacers again? and if the lock ring is tightend sufficently with the given torque (i think 40 Nm)?

I've just tried that, but the cassette was correctly installed and it didn't change anything unfortunately :/

MarioCanario · June 15, 2026, 11:11:57 AM

Quote from: Shayzzz on June 15, 2026, 10:49:03 AM
Thanks, I have a new UDH coming this week, I hope that it will fix my issue.

do you have a Park Tool DAG-2.2 hanger alignment tool or such? amazon or ali have cheap alternatives.

has solved couple of shifting issues for me already, to check and correct, if hanger misalligned

jasonargy · June 15, 2026, 11:24:24 AM

Has anyone seen this issue before with stem top cap not fitting right? I don't think I'm doing it wrong, just seems to not fit properly. Attached photo

MarioCanario · June 15, 2026, 11:30:17 AM

Quote from: jasonargy on June 15, 2026, 11:24:24 AM
Has anyone seen this issue before with stem top cap not fitting right? I don't think I'm doing it wrong, just seems to not fit properly. Attached photo

not sure from your photo if its mounted correctly. here's a pic of mine

jasonargy · June 15, 2026, 12:05:43 PM

Quote from: MarioCanario on June 15, 2026, 11:30:17 AM
not sure from your photo if its mounted correctly. here's a pic of mine

Hmmm, mine looks flat on top while yours seems to contour and follow the shape of the stem. I'll have to follow up with Lightcarbon and see what they say, looks like I just got the wrong part. Luckily I can use a standard round one for the time being and ride the bike but do ultimately want the correct piece.
Thanks for your reply and photo to compare.

Schneedolf · June 15, 2026, 12:09:37 PM

Quote from: jasonargy on June 15, 2026, 11:24:24 AM
Has anyone seen this issue before with stem top cap not fitting right? I don't think I'm doing it wrong, just seems to not fit properly. Attached photo

Did you leave enough space from the top of the cap? I had a similar situation, filed the fork down quite a bit, then it closed perfectly.

But it also looks a bit strange as if the top cap is not flat on the bottom.

MarioCanario · June 15, 2026, 01:06:33 PM

Your pic isnt very good. Is this an hbr17?

I also think your fork is still too long and you might have it upside dowm

jasonargy · June 15, 2026, 02:11:51 PM

I can take some better pics later today. The fork is not too long, there is space between the cap and the compression plug. It's also not upside down as the underside of the cap is unfinished and the top has a bevel for the screw to go into.

Shayzzz · June 15, 2026, 08:34:53 PM

Hi again!

So sorry to bother you with my vibration issue (big chainring / small cogs) again.
I know it sounds crazy, but could anyone with an Ultegra Di2 R8100 (2x12, 11-34) take a quick video of their bike on a stand spinning in that gear please 🙏 (using the smallest cog) ?
As this is my first bike, I'm just wondering if this vibration is normal and if it's all in my head.

Thank you so much for your help... sorry again

JensenMacD · June 16, 2026, 08:11:37 AM

Quote from: Shayzzz on June 15, 2026, 08:34:53 PM
Hi again!

So sorry to bother you with my vibration issue (big chainring / small cogs) again.
I know it sounds crazy, but could anyone with an Ultegra Di2 R8100 (2x12, 11-34) take a quick video of their bike on a stand spinning in that gear please 🙏 (using the smallest cog) ?
As this is my first bike, I'm just wondering if this vibration is normal and if it's all in my head.

Thank you so much for your help... sorry again

I am using ultegra 12 speed Di2 and in 52 chainring and 34 cassette, I have no issues. Make sure the chain is on correctly, writing/branding facing out. The chain can run rough if on the wrong way, ask me how I know... As others mentioned, make sure the hanger is not bent, chain line is correct and the derailleur is adjusted correctly. Not sure but if you are using a wax for the chain, I get some noise/rough shifts for the first 10km until it breaks in. Also using a shimano quick link if you are not, to help trouble shoot issue.

Sahalee · June 16, 2026, 08:58:32 AM

I am starting my process with Lightcarbon and really love the transparent green that Quick Pro offers. It doesn't seem like this is one of LCs standard offerings. Has anyone managed to get this on a LC bike yet?

SWeiden · June 16, 2026, 10:04:27 AM

Quote from: Sahalee on June 16, 2026, 08:58:32 AM
I am starting my process with Lightcarbon and really love the transparent green that Quick Pro offers. It doesn't seem like this is one of LCs standard offerings. Has anyone managed to get this on a LC bike yet?

Someone has posted a transparent green frame in the 160 pages this thread now has, so its possible