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17 Mar 2021
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I honestly don't have a problem with alloy wheels.
Tubes are a PITA and I will only tolerate them on a modern bike when the available TT tyres actually give an advantage. On the CB500X I can get TL tyres like K60's that easily exceed the bikes ability. Plugs to fix punctures and rims that retain the tyre instead of blowing out are a huge advantage.
On a full on MX bike with 21-inch front you are already compromised but at least get the tyre choice.
Bikes that come with spoked wheels for fashion reasons and TL tyres with tubes I will simply not buy. Can't plug it, can't break the bead to change the tube. I won't get into mucking about with bathroom sealant.
I sell TPMS. Free advice, avoid external valve mounted. The valve stems are not designed to support the weight and ripping one off will ruin your day. They also tend to be at the cheaper end of the market. If you want Chinese pot metal holding the valve open and containing the air please be ready for the blowout. As these cannot measure temperature they are also less accurate. Legislation will catch up in 2025 or so and internal valve or strap mounted will be standard, so you can bet no one is spending real money on checking and updating these.
Andy
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23 Mar 2021
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Quote:
Originally Posted by Threewheelbonnie
I sell TPMS. Free advice, avoid external valve mounted. The valve stems are not designed to support the weight and ripping one off will ruin your day. They also tend to be at the cheaper end of the market. If you want Chinese pot metal holding the valve open and containing the air please be ready for the blowout. As these cannot measure temperature they are also less accurate. Legislation will catch up in 2025 or so and internal valve or strap mounted will be standard, so you can bet no one is spending real money on checking and updating these.
Andy
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Been searching for something better than the external valve mounted. Not sure about the forum rules, but I'd be interested in seeing what you sell.
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23 Mar 2021
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Quote:
Originally Posted by krtw
Been searching for something better than the external valve mounted. Not sure about the forum rules, but I'd be interested in seeing what you sell.
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Sorry we don't do motorcycle systems, strictly commercial vehicles.
A quick Google would have me looking at the Careud or Kimmiss ones on Amazon. The sensors are standard automotive parts not leftovers from medical equipment.
Personally I don't have one on a bike. On a CV the issues are that there are 14-20 tyres to check and the drivers are universally slack. A blowout where the police close a motorway can wipe out a years profit. We text the transport manager when the temperature rises so the driver can be given clear instructions after they have planned the pre-emptive action. A different scenario from a bike where weight is important and the rider is usually the owner and very much more proactive.
Andy
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23 Mar 2021
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I hate tubes with a vengeance.
My KTM 690 Enduro is fitted with mousses rather than tubes—I use it for thousands of km per trip with zero problems.
And one of the reasons I bought a KTM 790 Adventure rather than the T700 was the tubeless tyres as standard.
If I had a choice on a bike between 19/17 tubeless wheels on alloys vs 21/18 tubed wheels on spokes, I would choose the 19/17 combo even though it's not as good off road.
Chapter and verse on tubeless conversions from Chris Scott
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"For sheer delight there is nothing like altitude; it gives one the thrill of adventure
and enlarges the world in which you live," Irving Mather (1892-1966)
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23 Mar 2021
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Has any one used a second tube . in a tyre to help prevent punctures , i did hear this some time ago. and think it may be a good idea ?
Any ideas ? 
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23 Mar 2021
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You mean Tubliss?
https://youtu.be/X6aBLlma0iE
A clever idea and I think probably a good one for what it was designed for, bicycles and competition machines.
The trouble for travel use is not insignificant IMHO.
Tyre choice remains TT which will ruin your day if it blows out or TL which then makes getting at a failed tubliss tube difficult. You need to add spares and tools to deal with a failed tubliss tube.
Weight and cost
They run hot and are not designed for motorways.
Sizes are sensibly limted to what they've tested.
If Honda said the market wanted spokes and they offered this solution I'd consider it. It'd be third choice after alloys and spokes run into a flange, but certainly better than TL tyres with a tube. Add the current situation where a small company says "not for road use" and I'll give it a miss.
Andy
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23 Mar 2021
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I dont think i made it clear in my post
The idea is to use another tube and cut it all the way around. then place it over the normal tube and this would give you twice as much tube area !( a bit like having a heavy duty tube )
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