Chinese Carbon MTB Forums
News:
Happy Holidays!
See likes
See likes given/taken
| Post info | No. of Likes |
|---|---|
Re: Lightcarbon: New LCR017-D (or Yishun R1058-D)
I actually prefer the LCR017 because I built it to fit my measurements. The geometry has a slightly longer reach and a lower stack. Surprisingly, I feel more comfortable with the lower stack, which is about 3 cm lower. The LT268 i built for a friend is more comfortable for him than the Canyon endurance bike he had before. That endurance bike (I forgot the model) had a ridiculously upright geometry. My friend isn't an athlete by any measure, i'm not even sure he can touch his toes, BUT the 268 fits him (we spent quite a bit of time looking at geometry tables and getting the right specs for him), and so he's now much, much faster on his bike, and more comfortable. I am trying to get him to refer to me as Jesus, but it's not working. November 21, 2024, 07:58:12 AM |
1 |
Re: Lightcarbon: New LCR017-D (or Yishun R1058-D)
My frame arrived today and all my worries about quality issues faded  Frame is a top notch without any wringles, cheese and etc. 
November 21, 2024, 10:59:52 AM |
1 |
Re: Lightcarbon: New LCR017-D (or Yishun R1058-D)
Since I'm a cyclist and not an aerospace engineer, I don’t have access to a wind tunnel to measure these things. What I can say is that my bike performs perfectly in all situations, even on descents at 80 km/h. I've never noticed any weird noises or whistles like the ones you get from roof racks on cars, so as far as I’m concerned, the square downtube isn’t a real issue at all. The drag would have to be insane for you to be able to hear it. A bus isn't aero. Therefore, that downtube can't be aero. Would you be faster on a kamm tail shaped down tube? almost certainly. Would you EVER see a bus shaped downtube on a TT bike? No. Do you see kamm tail shaped downtubes on TT bikes? Pretty much 100% of the time. Now, does it matter? If you like your bike, great. From my perspective, most of my riding is done on the flat, so i do care if i can save 5w at 40kmh, because i often ride at 40kmh. And from the perspective of people considering the frame, they should know that this feature can't possibly be fast. Whether it matters to them or not, is for them to decide. My frame arrived today and all my worries about quality issues fadedLovely bike! November 21, 2024, 12:04:50 PM |
1 |
Re: Lightcarbon: New LCR017-D (or Yishun R1058-D)
Yessss. I have it too. It's super annoying. I had a puncture last ride and it took me forever to get the thru axle aligned with the wheel. Is quite annoying November 21, 2024, 12:58:50 PM |
1 |
Re: Lightcarbon: New LCR017-D (or Yishun R1058-D)
Has anyone out in the real world been able to quantify whether or not the square downtube is actually causing significant drag? Meaning, does the riding dynamics on road feel draggy? Can you actually tell? I spent a significant amount of time riding side by side with friends on flat terrain, and as someone who pays close attention to power data, I feel confident that this bike doesn't come with an aero penalty. Based on what I've read about aerodynamics, the downtube is positioned in the 'dirty air' created by the front wheel, so having a slightly less aerodynamic shape doesn’t significantly impact performance. November 21, 2024, 02:32:06 PM |
1 |
Re: Lightcarbon: New LCR017-D (or Yishun R1058-D)
I haven't see a moving LCR so far. Just photos of bikes standing still, so ... If you add a motor to your bike, you might catch one of us November 29, 2024, 07:49:00 AM |
1 |
Re: Lightcarbon: New LCR017-D (or Yishun R1058-D)
Can I ask what the problem with your frame was? Mine arrived in perfect condition: the quality of the carbon was excellent, the paint flawless, the bearing seats perfect, the bottom bracket threads perfect, and last but not least, the faces where the brake calipers rest were milled and perfectly parallel, or rather, perpendicular to the brake discs. It has never been so easy to align brake calipers... The result of your crusade is that everyone who has had a good experience with the frame will write it here, haha! It is not really comprehensible. But it must have something to do with buses.  Just enter “bus” in the search bar. It seems to be an massive problem for Dinorello and Serge... December 02, 2024, 03:47:17 AM |
1 |
Re: Lightcarbon: New LCR017-D (or Yishun R1058-D)
Can I ask what the problem with your frame was? Mine arrived in perfect condition: the quality of the carbon was excellent, the paint flawless, the bearing seats perfect, the bottom bracket threads perfect, and last but not least, the faces where the brake calipers rest were milled and perfectly parallel, or rather, perpendicular to the brake discs. It has never been so easy to align brake calipers... The result of your crusade is that everyone who has had a good experience with the frame will write it here, haha! I've already detailed all the issues in this thread with pictures. Im glad that your frame turned out ok and it's probably due to the fact that I was "crusading" my issues with LC acting as their test pilot/ guinea pig December 02, 2024, 04:15:59 PM |
1 |
|
Re: Lightcarbon: New LCR017-D (or Yishun R1058-D)
I received my frameset yesterday, took a bit longer than I thought but that's not an issue for me. I'm in no rush and will use the christmas break to build up the bike. I did a thorough inspection of the frame and fork (including checking inside with an endoscope) and everything looks as close to perfect as I could have hoped. All mounts are faced, there's no overspray anywhere and all parts were included. The paintjob is absolutely perfect, the initial pictures Jim sent to me (linked earlier in this thread) didn't do it justice, at all. The saddle clamp mechanism is a bit finicky and caused a moment of frustration, but after a couple minutes the installation of the saddle worked out well enough. So far, off to a great start. December 08, 2024, 03:41:26 AM |
1 |
