Lightcarbon: LCR018-D (endurance all-road)

Started by neobiker, May 08, 2025, 01:07:23 AM

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MarioCanario

#3195
Quote from: bakmiekasih on October 07, 2026, 05:10:29 AM
Im 175, cm height with 83,5 cm inseam, short torso but relatively long legs and arms. Im thinking I'd go with their size 50.
everyone is different and has unique preferences.

i am 178 and 87cm inseam - i happily ride a 54 with HBR17 @ 380x90.
my wife is 168cm and rides a size 50 with HBR17 @ 360x90.
i'd recommend a 52 to you. but a 50 with longer stem will also do the trick

you could also use one of the various geo websites and compare your polygon frame to the LCR018 sizes

Woodenspoke

Why is it so hard for people to do their own reasearch on bike frame sizing.

https://bikeinsights.com/compare

This site has every chinese and western brandframe going back in time. You can easly compaire your frame to any chinese purchase. You get an overlay of each frame together with your current frame.

Stop asking us to size your frame do your own research. If your current bike does not fit get a pro bike fit for a new frame and have them pick the right one for you.

MarioCanario

Quote from: Woodenspoke on October 08, 2026, 09:43:20 AM
Stop asking us to size your frame do your own research. If your current bike does not fit get a pro bike fit for a new frame and have them pick the right one for you.
What are you getting all cranky about? By "us" you probably meant "you"?
After all it's a forum where people exchange info and ask for advice.

If you dont feel like contributing, just ignore it or at least be polite

bakmiekasih

Quote from: MarioCanario on October 08, 2026, 03:44:19 AM
everyone is different and has unique preferences.

i am 178 and 87cm inseam - i happily ride a 54 with HBR17 @ 380x90.
my wife is 168cm and rides a size 50 with HBR17 @ 360x90.
i'd recommend a 52 to you. but a 50 with longer stem will also do the trick

you could also use one of the various geo websites and compare your polygon frame to the LCR018 sizes

I was too excited in wrtiing my first post here and emailing Lightcarbon.
What i meant to say was size 52 haha. And 400/100 stem because ive ridden with 420/90 before on my gravel bike which have so much stack height (590). I want to try more compact form, with no extreme change from my previous bike.

Update: Jim and Wendy have responded to my inquiry, im currently asking them about maybe there's a slight chance we have discount if i were to check out on 11.11.

By the way, anyone here used shimano cues crankset? Im using crank: FC-U6030-1 cranks and i wonder if i would have trouble installing it on the T47 BB Shimano 24 they provide.
Jim said they never installed a shimano cues on this frame, so he couldnt confirm 100%

Quote from: Woodenspoke on October 08, 2026, 09:43:20 AM
Why is it so hard for people to do their own reasearch on bike frame sizing.

https://bikeinsights.com/compare

This site has every chinese and western brandframe going back in time. You can easly compaire your frame to any chinese purchase. You get an overlay of each frame together with your current frame.

Stop asking us to size your frame do your own research. If your current bike does not fit get a pro bike fit for a new frame and have them pick the right one for you.

Great. Just the answer i was looking for. Ill get back to you once im ready to discuss heavier topics

delarune

Recommend you to source an alternative T47 bb. The bearings actually got stuck when I torqued the T47 dub supplied by LC. Had a lot of T47 bb in the past, both 24mm and dub, and it never happened before. Frame is fine and worked perfect with another brand so something is sketchy. Good luck with your build. It's a fantastic all road frame!

moewe

Well, if anyone here ever wondered how 45mm/40mm Panaracer Gravelking X1 will look like on our beloved bike 😂 I taped all the inner sidewalls of course. let's see...

JensenMacD

Quote from: moewe on October 09, 2026, 09:53:07 AM
Well, if anyone here ever wondered how 45mm/40mm Panaracer Gravelking X1 will look like on our beloved bike 😂 I taped all the inner sidewalls of course. let's see...

You brave soul!

What do the measure on the wheel? Curious to know how it goes. Currently running a 40mm (39 wam) and 35mm (37 wam) Schwalbe g one all around on my gravel wheels. I feel like 40+ wam on the rear is getting risky for mud/dirt clearance.

szorek

The bike is ready to ride! I'm really excited. It was my first time assembling it, went pretty smoothly and I learned a lot. The bike weighs about 8.5 kg, as shown in the photo. I haven't ridden it yet, but I hope to test it out soon :)

bakmiekasih

Quote from: delarune on October 08, 2026, 03:34:20 PM
Recommend you to source an alternative T47 bb. The bearings actually got stuck when I torqued the T47 dub supplied by LC. Had a lot of T47 bb in the past, both 24mm and dub, and it never happened before. Frame is fine and worked perfect with another brand so something is sketchy. Good luck with your build. It's a fantastic all road frame!

thank you for the suggestion.
i watched this youtube guy Darren French (great vids) and I am considering to have the frame with no downtube storage (since it's just another reason for the bike making weird noises) and ordering a shimano bottom bracket from my LBH.

szorek

One more question before test ride. How should I grease the seatpost clamp? I only applied carbon paste to the marked silver area. Should I apply carbon grease to other areas as well? Or maybe regular grease?

MarioCanario

Some regular grease on the interfaces between the 3 blocks.

szorek

#3206
So should the area where the seatpost clamp sits against the frame be clean amd dry or should I use carbon paste?

moewe

Quote from: JensenMacD on October 09, 2026, 12:34:04 PM
You brave soul!

What do the measure on the wheel? Curious to know how it goes. Currently running a 40mm (39 wam) and 35mm (37 wam) Schwalbe g one all around on my gravel wheels. I feel like 40+ wam on the rear is getting risky for mud/dirt clearance.

hey! back tire is about 40,5 to 41mm and the front about 46mm on rims with 21mm inner width.

so still totally fine actually, the knobs and gummy "hairs" make it look worse. but as you can see in the pictures, there is still "some" space in the back (drive side)

Jamula

Finished my build! First time building up from a frame so it was a learning experience. Got some creaks from around the bottom bracket and seems my chain is rubbing the inner plate of the front derailleur when I put down power on the left side... Will get it up on the stand again later this week.

Overall very happy. After 50km or so it feels fantastic - much smoother than my previous bike but that is likely down to the 32mm GP5000s vs 28mms. Also feels much more stable.

szorek

I've just finished my first hour-long ride. I'm very happy with the size I chose, it fits like a glove. I'm 175 cm tall and I always set the saddle to about 73.5–74 cm from the center of the bottom bracket. When I got on, it felt like I'd been riding this bike for a long time. The seatpost, tightened to 6 Nm, didn't slip during the hour-long ride. (im 67kg) It looks like everything is working perfect. It's comfortable, fast, and runs without any unwanted noises. I'm looking forward to many more great kilometers. I'm going to take this bike out on the nearby hills soon. I have a few steep climbs to test out.