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Thon



Member Since: 22 Nov 2015
Location: Salisbury Plain
Posts: 696
United Kingdom 
Tyre valve question - Ex-WMIK Blindos
One for the tyre & wheel experts out there - I recently bought a set of ex-WMIK Blindo alloy wheels, which were fitted at some point in their lives with a run-flat device. I'm having them blasted and painted and have removed the valves, a design which I have never seen before (only changed motorcycle tyres before).


Click image to enlarge

I guess my questions are whether there is any advantage or disadvantage to replacing them with the same again and also can anyone confirm that these are simply bolt-in Schrader valves and why they were used in this application?

Many Thanks!
Post #861056 11th Oct 2020 10:11pm
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williamthedog



Member Since: 29 Dec 2012
Location: south wales
Posts: 3441
2011 Defender 90 Puma 2.4 PU Tamar Blue
I had those type valves fitted years ago on my fz750 with astralite wheels. They used those because the pull through type wouldn't become airtight. Can't see a reason for this on yours.
Post #861064 12th Oct 2020 4:34am
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 16874
United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
Unless your wheels have been modified in some way to accommodate the run-flat and those valves, there is no reason not to use standard valve stems. I run normal stems in my tubeless Blindos.
Post #861090 12th Oct 2020 9:37am
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Thon



Member Since: 22 Nov 2015
Location: Salisbury Plain
Posts: 696
United Kingdom 
I can't see any modifications to the wheels due to the run flat inserts - I'm wondering if these were just "belt & braces". I didn't think they were strictly necessary but thanks for confirming.
Post #861093 12th Oct 2020 9:48am
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v8bob



Member Since: 14 Mar 2018
Location: Midlands
Posts: 305
United Kingdom 1998 Defender 90 300 Tdi HT Nato Green
I had a trailer with these 2 piece type valves. It, I believe, was for running high loads and very high pressures.
A quick google shows these:


Click image to enlarge
Post #861170 12th Oct 2020 4:41pm
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Supacat



Member Since: 16 Oct 2012
Location: West Yorkshire
Posts: 11018
United Kingdom 2013 Defender 110 Puma 2.2 XS DCPU Keswick Green
I had some of these on some wheels I bought that had been used in a single make race series. I understood that they were "better" than push fit just because they could could not be removed/knocked out so easily.
Post #861310 13th Oct 2020 9:33am
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