Author Topic: New frame: Longteng RD301-D  (Read 29319 times)

kwantani

Re: New frame: Longteng RD301-D
« Reply #165 on: November 10, 2024, 12:12:30 AM »
for my cover, there's nothing need to be "aligned", the cover closed and locked snugly. Just with bare hand I can lift the cover so easily. Mostly likely the whole piece will fell off easily over a bump. Currently I'm tying a velcro strap over the downtube to strap it down just with a piece of mine.

UPDATE: 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  >:(
« Last Edit: November 11, 2024, 01:36:47 PM by kwantani »

Ahodesu05

Re: New frame: Longteng RD301-D
« Reply #166 on: November 13, 2024, 10:14:10 AM »
for my cover, there's nothing need to be "aligned", the cover closed and locked snugly. Just with bare hand I can lift the cover so easily. Mostly likely the whole piece will fell off easily over a bump. Currently I'm tying a velcro strap over the downtube to strap it down just with a piece of mine.

UPDATE: 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  >:(

Well, here is how mine looks: https://youtu.be/eT8vtAXO97c?si=5btSdcJY2rwItIvu (internal storage updates at 7:15). It's not a big issue for me, fortunately.

« Last Edit: November 13, 2024, 10:16:18 AM by Ahodesu05 »

kwantani

Re: New frame: Longteng RD301-D
« Reply #167 on: November 14, 2024, 02:02:30 PM »
here's my final completed bike.

kwantani

Re: New frame: Longteng RD301-D
« Reply #168 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.

planet_sammy

Re: New frame: Longteng RD301-D
« Reply #169 on: November 22, 2024, 01:06:56 AM »
@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.

Sorry, what is "TA" ?

BeR

Re: New frame: Longteng RD301-D
« Reply #170 on: November 22, 2024, 01:45:58 AM »
Sorry, what is "TA" ?

Thru axle I guess.

Serge_K

Re: New frame: Longteng RD301-D
« Reply #171 on: November 22, 2024, 02:02:33 AM »
here's my final completed bike.

Well done! make sure you put helicopter tape / clear protection tape on the frame where you have that strap for the top tube box, otherwise your paint WILL be eaten away, and the paint job will quicly look awful (been there, done that...)
And while i dont understand how that down tube box would need a strap to keep it locked, consider using a large bit of helicopter tape to wrap all around, so it's closed shut, and invisible. But obviously it'd mean you can't open it anymore.
Fast on the flat. And nowhere else.

planet_sammy

Re: New frame: Longteng RD301-D
« Reply #172 on: November 22, 2024, 02:32:46 AM »
Well done! make sure you put helicopter tape / clear protection tape on the frame where you have that strap for the top tube box, otherwise your paint WILL be eaten away, and the paint job will quicly look awful (been there, done that...)
And while i dont understand how that down tube box would need a strap to keep it locked, consider using a large bit of helicopter tape to wrap all around, so it's closed shut, and invisible. But obviously it'd mean you can't open it anymore.

Or an unpainted box, i think the problem here is the paint...

Serge_K

Re: New frame: Longteng RD301-D
« Reply #173 on: November 22, 2024, 03:08:16 AM »

We know that Long Teng OEMs for Argon 18. Look at the Argon 18 all road bike in this video, with down tube storage :)
I'm not saying it's the same frame, it's just, you know. Funny. To me at least.
Fast on the flat. And nowhere else.

kwantani

Re: New frame: Longteng RD301-D
« Reply #174 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  >:(

Hillhater

Re: New frame: Longteng RD301-D
« Reply #175 on: November 22, 2024, 06:22:07 PM »
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?

kwantani

Re: New frame: Longteng RD301-D
« Reply #176 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.

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?

Serge_K

Re: New frame: Longteng RD301-D
« Reply #177 on: November 22, 2024, 11:44:06 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  >:(

It's an OEM frame that does zero marketing, you're not dealing with Trek. I really doubt they developed a frame with a closing mechanism that doesn't work, starting with the fact that argon 18 has had these things on their frames for years (I have a friend with a TT bike from them and it's got such box too).
So, I don't think it's unreasonable to use a jewellery file or sand paper to grind some paint. I bought a whole set of jewellery files because frames often need some work to facilitate routing, bars especially, it's standard practice really.
If you use sand paper or a soft sanding block, you can easily grind off paint following contours. Any DIY shop will have these and they should cost 3 bucks. If you don't want to use sandpaper, get a Trek :)
Fast on the flat. And nowhere else.

Hillhater

Re: New frame: Longteng RD301-D
« Reply #178 on: November 23, 2024, 06:00:10 AM »
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.

I checked the video, and it seems like the closure system holds the cover with magnatic force only, without any mechanical closing part.

I also somewhat worried about that is this cover can hold the position with water filled bidon...

I really hope it have some kind of mechanical lock system...

Ahodesu05

Re: New frame: Longteng RD301-D
« Reply #179 on: November 23, 2024, 09:18:12 AM »
I checked the video, and it seems like the closure system holds the cover with magnatic force only, without any mechanical closing part.

I also somewhat worried about that is this cover can hold the position with water filled bidon...

I really hope it have some kind of mechanical lock system...
There is a clasp, in addition to the magnet. But the clasp is not well designed and doesn’t inspire a lot of confidence.  Like I said, it takes some fiddling and pushing and pressing to make sure the cover is closed securely.  I’ve also found that if you stuff the storage with too much stuff, to the point where the internal sock presses up against the cover, the closure gets more finicky.

This is something that Longteng can easily fix with a better closure system, and would be disappointing if they don’t TBH.
« Last Edit: November 23, 2024, 09:23:39 AM by Ahodesu05 »