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Road Bike Frames, Wheels & Components / Re: Onirii Aero Pro
« on: January 11, 2025, 11:32:29 PM »
Looks like the way the frame is designed, the top tube is taller could be affecting the stand over height.
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Road Bike Frames, Wheels & Components / Re: New frame: Longteng RD301-D
« on: January 10, 2025, 06:36:05 PM »
I understand Chinese bike in general has no serial number. Is this the case for LT as well? maybe they've some hidden serial # etched in some where. I looked, but so far can't find them.
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Road Bike Frames, Wheels & Components / Re: New frame: Longteng RD301-D
« on: January 08, 2025, 11:37:39 PM »
GOOD NEWS!
As soon as I replaced the TA with the one from my other Java Fuoco bike, the rear wheel wobble/play disappeared!
Looks like LongTeng sourced the wrong size TA.
As soon as I replaced the TA with the one from my other Java Fuoco bike, the rear wheel wobble/play disappeared!
Looks like LongTeng sourced the wrong size TA.
It is only 3mm shorter than the supplied thru axle with 2mm spacer. This Java TA should fit and fix the play issue. Please try and report! I'm getting ready to make an order on this frame once this issue is sorted out.
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Road Bike Frames, Wheels & Components / Re: New frame: Longteng RD301-D
« on: January 08, 2025, 01:00:48 PM »
I've an extra TA from my java bike: 165MM M12*P1.5-L16
I can try tonight when I get home... 165mm seems to be on the short side though.
I can try tonight when I get home... 165mm seems to be on the short side though.
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Road Bike Frames, Wheels & Components / Re: New frame: Longteng RD301-D
« on: January 07, 2025, 11:29:53 PM »
Ahodesu05,
I think the #2 response is the correct diagnosis. Checkout my video here, that explained it right there. If it's the hub issue, you SHOULD not see the wobble play like this. Very obvious it's the TA and rear dropout mismatched length.
Now where do I get the 2mm spacer?
I think the #2 response is the correct diagnosis. Checkout my video here, that explained it right there. If it's the hub issue, you SHOULD not see the wobble play like this. Very obvious it's the TA and rear dropout mismatched length.
Now where do I get the 2mm spacer?
I mentioned that my rear wheel has a bit of wobble and I couldn't figure out why. Attached is a video of the wobble. After pinging both Elitewheels and Longteng, each had different responses:
1. Elitewheels says it might be an issue in their rear hub assembly and sent me a set of new bearings.
2. Longteng says it might a case of the rear through axle being slightly too long. They suggested adding a spacer/washer to the rear drop out per the attached instructions.
I'm hoping to tap into this forum's expertise here: which is likelier to be the root cause? If it's the rear hub, then Longteng gets a pass (and I'll take the rear wheel to the LBS to get this sorted). If it's the rear through axle, then it's disappointing that a frame manufacturer got this wrong (and I'll either add the washer/spacer or maybe upgrade my through axles).
Thanks in advance.
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Road Bike Frames, Wheels & Components / Re: New frame: Longteng RD301-D
« on: January 07, 2025, 11:25:10 AM »
regarding the rear wheel play on my case... as soon as I seat on the bike, the play is gone from the rear wheel.
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Road Bike Frames, Wheels & Components / Re: New frame: Longteng RD301-D
« on: January 07, 2025, 02:57:08 AM »
Latest decoration on my LT
from the 2nd pic you can see I used the plumbing tape to tape the downtube cover to the frame, as an insurance until I feel confident the cover would stayed locked and won't fell off.
from the 2nd pic you can see I used the plumbing tape to tape the downtube cover to the frame, as an insurance until I feel confident the cover would stayed locked and won't fell off.
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Road Bike Frames, Wheels & Components / Re: New frame: Longteng RD301-D
« on: January 06, 2025, 07:01:57 PM »
I can only commenting the storage compartment cover in my case...
Per the advise from LT, I use sandpaper to grind off the excessive paint around the edge of the cover. This seems to stop the cover from "falling off" the frame. I then repeats the fully filled water bottle test again and so far the cover managed to stayed (no detached from frame) when repeatedly taking out/putting back the water bottle. However I still need to test it under real riding conditions. I still have a velcro strapped around the cover as a insurance until I'm confident it would not fell off during ride. I'm just feel traumatized by the thoughts of the whole water bottle + cover detached from the downtube at the middle of the ride, causing a crash!
Per the advise from LT, I use sandpaper to grind off the excessive paint around the edge of the cover. This seems to stop the cover from "falling off" the frame. I then repeats the fully filled water bottle test again and so far the cover managed to stayed (no detached from frame) when repeatedly taking out/putting back the water bottle. However I still need to test it under real riding conditions. I still have a velcro strapped around the cover as a insurance until I'm confident it would not fell off during ride. I'm just feel traumatized by the thoughts of the whole water bottle + cover detached from the downtube at the middle of the ride, causing a crash!
How are your builds guys? Any new observations? That picture od the inside of bb area got me concerned... Did anybody got hold of the TanTan (Seraph) variety? How is the storage compartment cover? This is one of the highlights of the frame, making it na alternative to Trek Domane, Argon 18 Krypton, BMC Roadmachine or even Enve Fray.
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Road Bike Frames, Wheels & Components / swiss cheese factory...
« on: December 25, 2024, 12:25:39 PM »
Someone from FB "Chinese Bikes" group posted "Swiss cheese" pics of a popular brand. I can repost the individuals pics here for us to closer inspection...
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Road Bike Frames, Wheels & Components / Re: New frame: Longteng RD301-D
« on: December 16, 2024, 06:57:14 PM »
That internal BB is less than satisfying. If I recalled ( I don't have pic to shown the internal as I already build up the bike) correctly it should be smooth and no wrinkles like that. You might want to show it to Alisa first before you start the build.
I started the assembly, and these are my impressions;
1. Bottom part of the BB seems uneven as you can see in the first pirture. I think it is okay considering that the stressed part is near the threaded part. But I cannot but feel some disappointment.
2. I think there should be a cover to seal the outlet of di2 cable which connects to the front derailier, but I couldn't find it.
3. Test for the downtube storage cover. I think it locked pretty well. Please check the video I attached.
I need more time to assemble the frame, but until now, routing the cables (both brake and Di2) is pretty easy, even though it is my first time to assemble a bike.
Hope to share the picture of fully assembled bike within this year lol.
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Road Bike Frames, Wheels & Components / Re: New frame: Longteng RD301-D
« on: December 16, 2024, 05:02:36 PM »
My rear wheel play issue is related to the wheel hub bearings. I've the YuanAn wheelset, YuanAn agreed to sent me new bearings. So it's most likely unrelated to the frameset. We'll see after I received them from YuanAn if it resolved the play issue.
Have we seen yet any full build with all the issues sorted out? I think rear wheel play hasn't been sorted out yet. It's putting me off buying this frame.
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Road Bike Frames, Wheels & Components / Yuanan carbon wheelset (ordered from Leon), rear wheel developed play...
« on: November 29, 2024, 10:53:44 PM »
Greetings, has anyone who ordered the Yuanan wheelset from Leon developed a play on the rear wheel? I ordered a pair of carbon spokes wheel set from Leon earlier this year and rear wheel developed a play when moved the wheel from side to side, after about hundred miles or so.
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Road Bike Frames, Wheels & Components / Re: New frame: Longteng RD301-D
« on: November 22, 2024, 11:06:37 PM »
that video shown nothing.
Try to mount a bottle cage to the cover, then insert of water bottle that's fully filled. Try insert and pull out the water bottle repeatedly to/from the cage (this is real world usage), see if the cover doesn't fell off.
See my earlier post with video that demo how easy to lost the cover.
Try to mount a bottle cage to the cover, then insert of water bottle that's fully filled. Try insert and pull out the water bottle repeatedly to/from the cage (this is real world usage), see if the cover doesn't fell off.
See my earlier post with video that demo how easy to lost the cover.
Because I ordered the frame, I asked to Alisa about is my frame free from the downtube storage cover issue.
And the attached video was the answer from her.
Does it look fine?
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Road Bike Frames, Wheels & Components / Re: New frame: Longteng RD301-D
« on: November 22, 2024, 04:32:07 PM »
Long Teng now blamed the excessive paint on the edge of the cover and downtube that prevent the cover to be locked securely, want me to use a rasp to grind off the excessive paint on the edge along the cover and the downtube opening 
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Road Bike Frames, Wheels & Components / Re: New frame: Longteng RD301-D
« on: November 21, 2024, 03:32:10 PM »
@Ahodesu05 Regarding the rear wheel play.... just another guess, may not be the frame nor the wheel, could be the TA causing it? I'm going to try the TA from my previous bike (Java Fuoco), see if that fixes the play.