Author New Chinese TPMS!  (Read 489 times)

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  • Offline NiK   fr

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    Offline NiK

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    New Chinese TPMS!
    on: September 19, 2022, 12:15:46 pm
    September 19, 2022, 12:15:46 pm
    Well, after YEARS of near perfect reliability, I found my Chinese TPMS getting old. It is still working, but when the front sensor's battery needed replacement, I took the opportunity to make an upgrade (of sorts).

    https://www.aliexpress.com/item/4001293095719.html

    The price is incredible, the accuracy is the same as the previous one (I believe they basically all share the same hardware), and the small solar panel on top DOES work.
    Now only the sensor's batteries will need to be looked after.

  • Offline NorthumBryan   gb

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    Re: New Chinese TPMS!
    Reply #1 on: September 19, 2022, 12:58:34 pm
    September 19, 2022, 12:58:34 pm
    Crikey, you can't get robbed at that price  :467:
    Talking bollocks since 1965...

  • Online soft   pl

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    Re: New Chinese TPMS!
    Reply #2 on: September 19, 2022, 03:52:42 pm
    September 19, 2022, 03:52:42 pm
    Do pressure sensors cause the wheel to vibrate? - (bad balance)

  • Offline NiK   fr

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    Offline NiK

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    Re: New Chinese TPMS!
    Reply #3 on: September 19, 2022, 04:15:31 pm
    September 19, 2022, 04:15:31 pm
    *Originally Posted by soft [+]
    Do pressure sensors cause the wheel to vibrate? - (bad balance)
    Not the slightest bit!
    (do you think I would have run into such hassle? I'm the lazy one you know ;-)

    However, a friend tried such device onto his scooter, equipped with rubber valves and said valves ended up ruined (both). So I would now advice them external TPMSes only for such solid, manly bikes as ours ;-)

  • Offline KenW   au

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    Re: New Chinese TPMS!
    Reply #4 on: September 19, 2022, 11:28:27 pm
    September 19, 2022, 11:28:27 pm
    Thanks NiK.  Have ordered one.  I occasionally use AliExpress for Arduino bits.
    My current set have a slow leak at the front sensor, caused by a tire mechanic who didn't know how to remove the sensor without graunching it.  -My fault, I should have removed the sensor before handing over the wheel for a tyre change.
    Now I don't bother with the locknuts.
    This will be my third set, and the cheapest.  The first one got water in the display unit.  Pulled it apart & dried it, but wouldn't work after I reassembled it.
    Sadly different units use different sensors which can't be paired with a new display.
    I'm not fussed about solar.  (No sun in my garage.)  They last a long time before needing a recharge.

  • Offline NiK   fr

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    Offline NiK

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    Re: New Chinese TPMS!
    Reply #5 on: September 20, 2022, 09:39:24 am
    September 20, 2022, 09:39:24 am
    *Originally Posted by KenW [+]
    Now I don't bother with the locknuts.
    I might go thesame route as you here.
    Locknuts not only are a hassle, but I found out that they can damage the valve thread also.
    I'd be a bit concerned with sensors falling off though...

    *Originally Posted by KenW [+]
    I'm not fussed about solar.  (No sun in my garage.)  They last a long time before needing a recharge.
    They do, but now it's forever (mine lives in the garden and we have a lot of Sun here ;-)

  • Offline JohnCFI   fk

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    Offline JohnCFI

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    Re: New Chinese TPMS!
    Reply #6 on: September 20, 2022, 04:21:16 pm
    September 20, 2022, 04:21:16 pm
    A wee word of caution.  I had a set of these, and on the very first ride on a gravel  track the one on the back wheel (fortunately) got hit by a largish stone and broke in bits.  The result, a fast deflation at about 40 MPH.  Maybe I was just unlucky, but for me it revealed a single point of failure.  I still have a cheaper option, but of the type that fit inside the tyre, not on the valve stem!   SAFE RIDING TO ALL..
    John Clifford
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    Falkland Islands

  • Offline NiK   fr

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    Offline NiK

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    Re: New Chinese TPMS!
    Reply #7 on: September 21, 2022, 09:33:10 am
    September 21, 2022, 09:33:10 am
    I'd never have thought about that type of incident!
    Thanks for the head-up!

    (however, it doesn't really apply to me, as I'm tarmac only (plus I always carry an Airman compressor) ;-)

     



    nonskid