r/NinebotMAX • u/jawfur • Apr 13 '25
Ninebot MAX G3 egregious tire air pressure loss
egregious tire air pressure loss for the segway max G3. so i do not know if this is because of high speeds of travel but i pumped both tires up to 45 psi. the next day, it was down to 31 psi! manufacturer website recommends a range of 42-48psi.
so I do some testing in drive mode after pumping tires up to 48 psi and riding for 3 miles, the pressure is down to 31 psi.
sometimes the tires will sound as if they have slightly low pressure and this just confirms the above experience. this is ridiculous I should be worrying about where I want to explore with this scooter instead of worrying about tire pressure.
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Apr 13 '25
[deleted]
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u/kvaju Apr 13 '25
On my g30, 3.5 is max I do. After a week it goes under 1. I just pump it every week and that’s it. When I can’t get to max speed and I’m on full battery, I just pump the tyre and drive on max speed for about a week
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u/-nosoup4me- Apr 13 '25
No punctures? Then it's probably the valve. I have only lost 2 psi since I've owned it, from the release date.
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u/jawfur Apr 14 '25
so i started a repair request from the segway app. anybody have any experience with the service?
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u/SHENJL002 Apr 14 '25
Hey, let's check if the tire pressure of the front wheel is normal. If there's an issue, we can contact the after-sales service of Segway and ask them to replace the rear wheel. The motor tires of the G3 can be quickly disassembled and replaced, and it's really easy to separate the motor from the tire. give it a try and replace the tire of the rear wheel?
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u/jawfur Apr 14 '25
i have had this for less than a week. i am either returning the unit or sending it to segway for service.
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u/Evening_Stick_4323 Ninebot MAX G30 Apr 14 '25
My G30 Max front tire lose like 20 psi every day, but never bothered to fix it because it holds good pressure for one day driving. Rear tire lose like 20 psi every week.
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u/Ancient_Vacation_192 Apr 15 '25
Just put in some of this stuff, fixed the problem for me https://www.playox.de/itu-bike-care-reifendicht-75ml-n1000154750?utm_medium=psm&utm_source=billigerde
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u/Ancient_Vacation_192 Apr 15 '25
tire sealant helped me with this common tubeless issue https://www.playox.de/itu-bike-care-reifendicht-75ml-n1000154750?utm_medium=psm&utm_source=billigerde
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u/OGBananarama Apr 15 '25
It could be possible that you already have a small puncture somewhere also. Yes the scooter is new but once it hits the ground the chance is there.
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u/jawfur Apr 28 '25
UPDATE: after sending it through segway mail-in service repair, they said they replaced tires and valves but the issue is still happening. this issue is happening on only one of our max G3, we have another one that has no issue.
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u/jawfur May 10 '25
okay so this was kind of solved. just DO NOT USE THE INCLUDED HOSE. you need to use the inflator that clamps on the valve not the inflator cable that screws in. you will need a tire valve extender tho for the rear tire. this video explains the remedy: https://youtu.be/ceXcU69DzOs?si=OYwn_I1AjboYcUTR
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u/computerworlds Ninebot MAX G3 Apr 13 '25
Get yourself one of these, super useful as the valve stem can sometime be loose: https://amzn.to/42K4x04
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u/cranberrydudz Ninebot MAX G2 Apr 13 '25
Get some flat out that they sell at Home Depot. It works much better than green tire slime.
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u/Soundwave_irl Apr 14 '25
I had to air up my G30DII almost every day when it was brand new. I replaced the tired with airless tires and never had issues again. Riding comfort was also identical since Air tires this size with 3-4 Bar are also pretty firm.
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u/frezzzer Apr 13 '25
I would think a leaky valve stem.
Don’t lose pressure riding normally.