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Messages - Dr J

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1
What is the widest tires you guys have been able to fit on this frame? Could it fit some gravel tyres?
no this wont fit a gravel tire. 34 is the max i would comfortably ride. I personally ride 30's

2
Well, this was probably the easiest bike I've ever put together.
All the cables and hoses went through with no fuss or bother. Kudos to Lightcarbon for the bars, they really were simple.
Probably a five minute job with a file to tidy up the brake mounts.
BB was nice and clean and threaded in by hand.
30k shakedown this morning with no issues.
Comfortable and nipped along quite happily. Hit 70kph with confidence and no wobbles.
No seat slipping either at the clamp or in the frame
35.5mm wam rear tyre didn't touch the frame.
You can wiggle and shift the bars and make things look alarming like GCN, but I can do that with my FL1 or my brother's Cervelo S5 bars. I've put a 100mm fork expander in but don't think you need to. I gave it a couple of sprints with my meager wattage and it all felt solid enough.
Good bike I think.
Thx for confirming the GCN thing, I started to believe it was me. Build of two of these bikes and both have a fair bit of wiggling when leaning on the bar. Still the fastest bike I ever rode.

3
When I ordered my frameset, there was no integrated handle bar option. So I just used the provided headset and c-ring that came with it. I still wonder why GCN was having issues even after switching to a separate bar and stem.

Yeah I wonder too. I noticed it when riding the first r088 that I build up. It felt a little ’wobbly’ I thought it was the intergrated bar and never worried about it. Sold that bike.

Now on my new r088 build I use a seperste bar/stem and I can replicate what gcn shows. Its just a question if that is actually a problem, or potentially even unsafe to ride? I’ll try and video it.

4
Tried to record the flex i see, hopefully these files attach correctly. The bike is in a trainer for these videos.

I get similar flex on my Condor (steel frame, full carbon fork) and my Tideace gr201. Worth noting that like in the GCN video there's a lot of tyre compression which could exaggerate how it feels and looks? I also noticed that when I compress it I can see the tiniest gap forming at the back of the headset cover spacer (can't think of the name) which would suggest the steerer is flexing slightly?

Undid stem to check and I have the metal c-ring (silver in colour) it's about 1mm thick by the looks of it, hard to tel
Thx for the videos. My movement is mostly left/right I feel (It's way more than on my other bikes). I will swap the metal c ring for a plastic one and try again.

5
My size 58 feels like it has the same problem that GCN had with the frame. There seems to be more movement in the head tube/handlebar than on my other bikes.

I am still trying to find what causes this. Did you all receive 2 different c-rings for the headset? Are you guys using the metal c ring?

6
Is there anyone here with a size 58? How many spacers would you guys think is still safe?
My size 58 feels like it has the same problem that GCN had with the frame. There seems to be more movement in the head tube/handlebar than on my other bikes. Since I am still in the process of building things up I am running 6,5 cm of spacers right now; so that could also be the problem.

7
I am finally building up this bike. I have had this frame lying around for a long time now. So far the build has been super straight forward. No problems at all so far. *knocks on wood*
I was pretty scared by the gcn vid but it seems like they did something wrong with the headset/ C-ring I think. I decided against integrated handlebars on mine and I am awaiting my avec aer bar. Still debating which stem to go for lightweight or deda superbox? But it might just be the easiest to not go internal routing and just buy a normal stem. Havent decided on a crank yet. I still have a riro 170 carbon crank lying around. Or the 105 to avoid any problems. Are there any good carbon crank 24mm around?

R088 frame
Elite 50mm edge wheels
105 Di2

8
Cyclocross Frames, Wheels & Components / Re: Velobuild AERO GRAV Frame
« on: September 16, 2025, 03:56:20 AM »
Just finished up an AeroGrav build. Only took it for a short 8Km shake out ride but it's feeling really good so far. Moved over most of the components from my VB GF-002 build:

- VB Wave wheels 45mm
- VB integrated bars
- GRX Di2 groupset
- Oval Woolftooth chainring
- Stages left crank PM
- Token T47 BB
- Pirelli Cinturato Gravel RC 45 tires set up tubeless
- Shimano XT SPD pedals
- Fabric saddle
- Supacaz tape
I see they hired the painter from SPCycle mentoined in the other thread  ;) https://chinertown.com/index.php/topic,6099.msg83635.html#msg83635

9
It's available on their Ali product page. The first of their product pictures is a video showing how to assemble the headset components and cockpit. Unfortunately I couldn't find any torque spec but I suspect if one was to ask the seller they would provide this info or maybe it comes with printed assembly instructions?
Thx; they replied to me already 5-6 nm for the fork lock bolt ( as they call it)

10
The product video shows rotating the top cap 90 degrees to tighten the headset
Where did you find the product video? Any information on how hard to tighten the bolts?

11
Road Bike Frames, Wheels & Components / Re: New frame: Longteng RD301-D
« on: September 10, 2025, 05:57:44 AM »
Just wanted to show the build for my GF.

We went for the first spin today. Nothing bad to report
Nice! Did you get the handlebar from Longteng Alisa also?

12
Cyclocross Frames, Wheels & Components / Re: Tideace NEW Gravel Frame: GR201
« on: September 09, 2025, 09:55:55 AM »
Hey guys, just a quick question. My frame from Longteng was supposed to be shipped on September 2nd. The first tracking code shows it's stuck, but with the Take Send tracking code, here's what I see:

2025-09-08 14:41:44 - DPD-DE, Flight has been delayed.

2025-09-06 14:27:59 - DPD-DE, Awaiting a connecting flight.

2025-09-04 06:12:00 - DPD-DE, Flight has departed.

2025-09-03 10:29:37 - DPD-DE, The flight is scheduled to depart at 2025-09-04 04:15:00

2025-09-03 10:29:30 - DPD-DE, Export declaration in progress.

2025-09-02 18:00:00 - DPD-DE, Shipment departed from warehouse.

2025-09-01 12:00:55 - DPD-DE, The order has been confirmed.

2025-09-01 09:14:19 - Take Send Logistics, Leaving the distribution center

2025-08-31 20:42:00 - Take Send Logistics, Enter the distribution center

2025-08-29 17:54:59 - DPD-DE, Item information received.

2025-08-29 17:54:59 - DPD-DE, Your shipment has been received and stored in our warehouse.

2025-08-29 17:52:49 - The Item is at the shippers warehouse


When could it arrive in Italy?
Be patient; ordering from china is a waiting game. It will arrive

13
I bought the actual Rose gravel cockpit because I couldn’t find a good alternative.

Thing is.. it comes without set of spacers and everything else :(. Just a handlebar and plastic top cap…

Any suggestions on Ali parts that I should order to make this work?
Better contact their costumersservice. You would want their spacers

14
Question for those who have built up the LTK266: There was a split crown race included with the headset bearings, but it doesn't seem like the bike needs it. Did you use the included crown race?
Bije doenst need the seperate crown; fork has a build in crown race

15
For those looking to order an X68, here is my journey so far.

As I posted in another thread, I ordered the X68 from TanTan on June 26th and the frame was delivered on August 19th.   Roughly 7 weeks from order to delivery. It was delivered via UPS, as of yet, no additional cost for customs or tariffs.  $719 for the frame kit and $160 for shipping.

The quality control (or lack thereof) for my frame/fork is questionable at best. There is a scratch on the right fork leg and small area on the seat tube just under the seatpost hole that didn’t get thorough paint coverage.

In the grand scheme of things, these are minor.  The major annoyance is that the handlebar/stem does not fit around the steerer tube. From what I can tell, the diameter of the stem opening is undersized.  I have an EXS Aerover handlebar/stem that does fit the steerer tube. The fork is the heavier fork, I think it weighed in at 406 grams.

Also, the clearance in the drive side chainstay for the Di2 cable (installing 12 speed Ultegra groupset) to the rear derailleur is very tight and took some effort to get the cable through. I haven’t tried running the brake hose through the non-drive side chainstay yet, so fingers crossed.

None of these are dealbreakers, but buyer beware.
Damn that sucks. But you wille be able to install the Bars. Just use sandpaper on the inside of the bar to grind a little bit off. You will get it to fit.

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