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Tire Pressure Monitors

snod

By snod
in Bike Related Things

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enfoman

enfoman

Posted
Posted

your best bet for tubed tires may be the monitors that have a pop up indicator for the tire pressure range needed. I have seen them in wal mart and some auto stores for less than 10 bucks a pair.

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SHIMHEAD

SHIMHEAD

Posted
Posted

I'm using a Smartire system on my R12RT I bought off Ebay for just over $100. Sensors mount inside tires with large stainless band clamps, have 7-year battery life expectency. Display unit is small and I mounted it next to my Nav III on an aluminum bracket sandwiched under my Gadget Guy nav mount on the left side. Works well, with the exception that it sometimes takes a while to pick up the rear sensor data. It will display tire pressure, deviation from preset pressure spec., and tire temperature, at the push of a button. No display other than two bars showing that the sensors data has been received unless the button is pushed. Warning light is the familiar yellow international tire pressure symbol. All in all an impressive system that I am quite pleased with. Two wires and double stick tape take care of mounting the display (I used the Nav III power cable from the nav power plug on the bike). Mounting the sensors was done at my first tire replacement. Sure is nice to see those pressures displayed, and fun to see the tire air temps rise as they warm up, just have to push the button! No loss of pressure events so far, so I can't comment on the warning, but I'm sure I would be able to see it easily. Two thumbs up!

 

SHIMHEAD

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SHIMHEAD

SHIMHEAD

Posted
Posted

The Smartire system is also available from Vulcan Tire, but I think I read somewhere that Smartire is no longer manufacturing this system. Still wouldn't hesitate to pick one up though!

 

SHIMHEAD

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enfoman

enfoman

Posted
Posted

Can definitly see why if you were at speed and it happened. I had those pop ups on my old Mercury Sable that had alumium mags. they lost air by the bead all of the time no matter what I did slowly. this was a quick and true verification before the TPS systems evolved. Getting into the habit of checking pressures on a regular basis is always good.

 

Bob

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Paul Mihalka

Paul Mihalka

Posted
Posted
After having a flat on the highway.... I am interested in finding a solution for my 650GS...Thats where my tube questions came from.

 

For a tire with tube in it, a tire pressure monitor is not much help. On a tubeless tire with a nail in it, the monitor tells you that you are loosing air, but the bike is still ridable. With a tube in it you get a nail and a monitor would only tell you that you will be stopped on the side of the road 30 seconds later.

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motoguy128

motoguy128

Posted
Posted

I don't see how any TPMS will work with a tube tire. The sensor will be too heavy to mount on a stem. You would need a large fixture to thread onto the stem but then mount against the rim. That's the only way I see this working. It would then add a potential failure point for losing air... which is not a good trait for a monitoring system or any instrumentation. Sort of like medicine... do no harm. It would be like adding a tire sealant that slowly dissolves the rubber after a few years.

 

Now... what might work...sort of, would be a system that uses teh ABS wheel speed sensors and compared the front and rear wheel. If when at a steady speed (not braking or accelerating) the speed difference starts to change (wheel RPM's increases), then it could give a warning indicating the a wheel is losing pressure. IT would have to a simpel calibration (like the ABS system) itself every time you start out on a ride to compensate for tire wear.

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