Except the wall height is much smaller on the Nextie.
The new NR lite. Hardly worth saying it’s not even a year old, as I almost installed it with tire levers.
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You have the hooked version correct?
Yes
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You should see if it holds at higher psi since Alice said even 60psi was no issue. We know that’s not the case for the NR, but it may be fine for the TM. It would also give us confidence to know that at least there’s one tire that is fully compatible with this rim at their claimed max air pressure.
***JUST RECEIVED THIS RESPONSE FROM ALICE:
"Hi Terry,
It’s Alice here. Sorry for the delayed response. We were off work during the weekend.
We feel really sorry about this.
The BSD for the NightRider is oversize. Maybe you can find the Vee T-Monster tire and try to use it?
For 36’’ tires, we are planning to find a local tire factory and cooperate to develop suitable 36’’ tires. In this way, maybe we can solve the problem that no tires fit our 36’’ rims.
What do you think?
Best Regards,
Alice at Nextie"
My reply was to say that it would great and much overdue to have a new, consitently reliable 36er tire, especially one that is TR. I also let her know that there are no T Monster 36er tires available anywhere that I can find. Also mentioned that her statement that the NR is “oversize” conflicts with her earlier assurance that the NR was tested at 60psi with no issues. Will be waiting for her response.
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That’s pretty much the response I was expecting. Time to request a refund I guess.
What a bloody palaver.
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Stupid question, but can you tell me what is TR?
“Tubeless Ready” 
Alice emailed me back:
We feel really sorry about it!
Yes, we indeed use 60psi when we test the Hooked rim.
We use the Foss tube to test.
We use a mechanical simulation test and sure confirm the forces from riding would not cause a tire blow-off.
The tire on the tire with 60 PSI could last one week.
I wonder if they’d do a blow-off test for us with the setup they have and see what pressure they get up to before catastrophic failure.
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So they used the Schrader drilling not the Presta one.
Perhaps that type of tube had a bearing on reaching 60spi with the NR.
Still too many variables in my view to call this a saleable product.
For those interested:
I’m selling a Magic Money Tree Pot - made from carbon of course. Superb for growing these yet to be found, rare trees - but the pot is fully compatible with the future tree species. The pot can still be used in the interim to store your house keys or perhaps other small trees you can buy from your local tree sanctuary… Buy now to proof your future for when the future arrives … 
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I’m following the discussion in the shadow… I already have 2 Braus rims. But today this rim is very expensive and hard to find… And sometimes I’m asked where to find a 36" carbon rim (I’m easily apologist for 36" carbon rims).
I admire the tenacity of some people for the development of this rim, including the Nextie brand. It’s really a shame that there are so many failures…
All of these problems reminded me of the explosions I experienced with my 29" several years ago. I was wondering if you were all aware of similar problems in 29". Here is a summary of the story:
About 8 years ago in France, the most common 29" unicycles were KH29 with the 47 mm rim (I guess it was more like 40 mm internal width). This rim was designed for off-road and low pressure riding, but more and more of us wanted to ride it on the road. So we equipped ourselves with slick tires (with Schwalbe big apple and supermoto tires in 2.35). At the beginning everything was fine, with a new tire, we could put a high pressure without any issues. But after a few months/years the explosions started to happen regularly. For example: I remember a participant of the French marathon championships whose tire exploded 5 minutes before the start. Or during a manifestation with cyclists in the city center, people thought there was a gunshot.
The first solution I found was to use a Maxxis (ikon, grifter, torch…) tire instead of Schwalbe, obviously the tolerance was not the same between the 2 brands (I could use narrower maxxis tires without any problem). But the Schwalbe tires were the lightest and the best rolling. In the end, I found a rim with an internal width of 28 mm. The only problem I had with this rim was that the tires that had been damaged by a blow out did not hold pressure better with this rim. Many of us have fitted this rim and no longer had any problems.
Blowouts are really traumatic. I must have had between 10 and 20 of them, a little less than half of them while I was on the unicycle.
It is certain that the occurrence of a blow out is multifactorial: the pressure, the tire tolerance, the internal width of the rim… a tire that has already been blown out, a deformed inner tube… At this time, it is difficult to quantify the impact of each factor. There are certainly also factors related to the rim (hooks?)…
In any case, I don’t have as much problem with the Braus rim. I had a heat related blow out with an NR lite tire. Since that this tire is unusable, I changed to a new KG ultimate that I inflate up to 50 psi and I have had no issues. Internal rim width seems to be a major difference, unless there are other significant differences between the Braus rim and the Nextie rim…
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It is silent and feels smooth. There are no rumbling feeling due to the knobs in the tire - and I consider myself very sensitive to this. But I cannot make any comparisons to other 36" tires. It’s 5mm wider than the NR on the Nextie hookless rim as documented earlier (post 161/162) so there is a bit more volume.
It’s very tight. I try to avoid using tire levers if possible but for the T-Monster I had to use levers and I even broke a few tire levers in the process. I rebuild and remounted the tire a second time a day later and had the same experience again (see post 99). That might suggest a slightly smaller BSD or just a stronger (less stretchy) bead wire but that’s all speculation…
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If Nextie is actually serious about making a new 36er tire that’s compatible with their Unicorn rim, then we should definitely collaborate or at least submit recommendations regarding tread design, width, and with weight under 1,200g, if possible.
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I don’t disagree, but the bike world should probably be worked with first as they’re more likely to be able to throw the money at it/order a reasonable volume of product, even as a niche item, as every product they sell has two of them.
We should probably then be involved through a unicycle manufacturer rather than on an individual basis.
Once a manufacturer has the machinery required for such a large kevlar bead tubeless tyre then as I understand it, new tread patterns are relatively trivial though.
Also, I suspect this thread is likely to very quickly off the topic of carbon rims of dubious utility, so maybe we want an “ideal 36er tyre” thread instead.
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There are quite a few bike companies offering a 36", which is why the Vee Monster is hard to get. It might be worthwhile to contact these companies yourself. Some of them may have any plans in the works with a tire manufacturer. If they don’t, then they might be talked into going that route, especially if they can use unicycling as proof of a broader market.
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Just sent an email to the V Tire Company requesting information on the current or future availability of the T Monster. They’re located in Atlanta, Georgia. If you would like to contact them as well, their email address is:
sales@veetireco.com.
Maybe if enough of us contact them we can get this ball (wheel!) rolling.
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Reply from Vee Tire co.:
Manufacture of this tire is on hiatus until the spring of 2023.
Unfortunately this tire requires us to dedicate an entire vulcanizing machine to make each tire. With all other sizes we can make 4-6 tires at a time.
Because of the big backlog of tire orders we have it’s not practical for us to make this particular tire at this time.
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So in summary with the latest information
That would be exceptionally hard to do
That is unlikely to happen in the near future. So the only tyres people are going to get are NR and KG and neither have worked well for people thus far. It does not bode well.
EDIT/Correction: Well actually KG has not been tried but based on what Roger has said I cannot see this is going to be any different from the NR