ANGLED TYRE-VALVE STEMS THAT CAN BE PERMANENTLY LEFT IN-PLACE ON TUBELESS WHEELS

3172 Views 15 Replies 11 Participants Last post by Panzermann, 10 d ago

Lawrence of Suburbia

Discussion Starter · Jun 28, 2020

I have just ordered a pair of KINEO spoked wheels for my R9T - spoked, but on solid alloy rims to be really, truly tubeless.

I'd appreciate any info/ advice if there are any valve stems that are angled so as to make inflation easier than with conventional stems AND that can be left permanently fitted to the wheel - it's a nightmare at times trying to get air-pump/ inflater ends onto the rigid stems on most m/cycle wheels!

I do have some nice gloss black alloy stems that might suit @ 13g weight each - any views on these for a permanent install?

I'll appreciate your advice.

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Panzermann

· #2 · Jun 28, 2020

Lawrence of Suburbia said:
any views on these for a permanent install?

If they fit and they seal, then why not.

My SRX6 wheels don’t have angled stems - I just added a bend to stem of the inflator attachment on my compressor air hose, but I suspect most garages wouldn’t be happy with you doing that.

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mjgt

· #3 · Jun 28, 2020

Right angle valves work perfectly, I have them on two of my bikes with no problems.

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arfingdog

· #4 · Jun 28, 2020

It's been a couple of years, but I have some angled stems that I ended up not installing on my 2014 R9T OEM wheels because they just didn't look like they were going to seal. But as Pz says, if you've got some that will fit and seal you'll be able to quit playing the game of how the hell do I check the pressure in that front tire let alone put air into it?

RC65

· #5 · Jun 28, 2020

Lawrence of Suburbia said:
it's a nightmare at times trying to get air-pump/ inflater ends onto the rigid stems on most m/cycle wheels!

After dealing with that issue for years with my previous bike — one with huge front rotors that made it almost impossible to contort my hand and airhose to fit — the way BMW has it set up on my R1250R (projecting out straight from the alloy wheel spoke) is nothing short of heaven.

Lawrence of Suburbia

Discussion Starter · #6 · Jun 28, 2020

RC65 said:
After dealing with that issue for years with my previous bike — one with huge front rotors that made it almost impossible to contort my hand and airhose to fit — the way BMW has it set up on my R1250R (projecting out straight from the alloy wheel spoke) is nothing short of heaven.

I first came across this genius bit of thinking with my (very) late F800 GT - Dog knows why Motorrad hasn't adopted it on all its bikes.

Pete In The 'Couv

· #7 · Jun 28, 2020

I purchased a pair of these. I keep one on the bike and one in the garage. I think you can find something like them an most auto parts stores. I just happened to be in a Harley store and saw them.

www.harley-davidson.com

Valve Stem Extension | Harley-Davidson USA

Find Valve Stem Extension at Harley-Davidson.com. Free shipping on orders $50+ and free returns.

www.harley-davidson.com

Lawrence of Suburbia

Discussion Starter · #8 · Jun 28, 2020 (Edited)

Pete In The 'Couv said:
I purchased a pair of these. I keep one on the bike and one in the garage. I think you can find something like them an most auto parts stores. I just happened to be in a Harley store and saw them.

Valve Stem Extension | Harley-Davidson USA

Find Valve Stem Extension at Harley-Davidson.com. Free shipping on orders $50+ and free returns.

www.harley-davidson.com

Thanks very much, P in the C - exactly what one needs! But unhappily for me the vendor does not ship to us here in Oz!! Bummer. I'll look elsewhere.

LATER EDIT - found one on e-Bay - $21 post-free, from a semi-local address, so no waiting for overseas shipping. 100mm (8") in length with a clip-on connector at one end. Should be a blessing! Thanks again.

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Jack the Lad

· #9 · Jun 30, 2020

Just be a little careful that you don't have ridges inside the wheel which may prevent a perfect seal.

A tiny adjustment with a dremel fixed the issue.

Make sure that the items you use are good quality - the first versions I bought were garbage.

This is going back to a previous bike so the comment about the internal ridge may not apply.

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Lawrence of Suburbia

Discussion Starter · #10 · Jul 1, 2020

Thank you, Jack. The stems are installed when the wheels are being made by KINEO, so should be 100% in this regard.

rodhotter

· #11 · Jul 1, 2020

when i got my cheaper Alpina tubeless wire wheels a simple e-mail + they installed right angle stems. got a set for the Vic, right size but the ridge prevented tightening the nut, so they are laying around!!

dmcqueeney

· #12 · Jul 2, 2020

Lawrence of Suburbia said:
Thanks very much, P in the C - exactly what one needs! But unhappily for me the vendor does not ship to us here in Oz!! Bummer. I'll look elsewhere.

LATER EDIT - found one on e-Bay - $21 post-free, from a semi-local address, so no waiting for overseas shipping. 100mm (8") in length with a clip-on connector at one end. Should be a blessing! Thanks again.

Another alternative for those interested ...

It's BMW's part # 71 11 1 239 258, included in tire repair kits since the R80GS. For many years, I've just carried one with me, rather than leaving it installed on the wheel. The MAX parts fiche lists it as 0.04 lb (18 grams) with a price of US$15.50.
... Dave

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mjgt

· #13 · Jul 2, 2020

dmcqueeney said:
Another alternative for those interested ...
View attachment 108254
It's BMW's part # 71 11 1 239 258, included in tire repair kits since the R80GS. For many years, I've just carried one with me, rather than leaving it installed on the wheel. The MAX parts fiche lists it as 0.04 lb (18 grams) with a price of US$15.50.
... Dave

NEVER ride with this type of valve extension fitted, it can and probably will damage the valve body leading to a rapid deflation.

smartdub

· #14 · 17 d ago

I'm looking for a permanent solution, replacing my back cast wheel tire vale with a 90 degree angle like the #5525400 Wunderlich America website but without their 42$ USD fee for a Canadian delivery

... It is easy to find this type of products on Amazon.ca but I don't know the size specifications required for my 2012 R1200-R rear cast wheel.

If one of you knows the valve dimension specifications I would greatly appreciate you sharing it here.

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2

r0ckrat

· #15 · 11 d ago

Do the originals have a nut on the back like the right-angle version, or are they standard rubber push-in-the-hole valve stems? If standard, then the specs will be just regular valve stems... If held in with a nut, then you can measure them.

That said, I can't imagine they would be any different than any other valve stem...

Panzermann

· #16 · 10 d ago

r0ckrat said:
That said, I can't imagine they would be any different than any other valve stem

That’s what I thought, but there are various dimensions available, unfortunately, and knowing BMW, the hole depth would be just outside the dimensions of alternatives other than the Wunderlich item.

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