you could try it as no reason it wont work but the hole point is to save waight and dump the tube.
also a pinch flat might not seal very well depending on how big it was.
There has been a lot written about punctures of late and the various solutions to them. Now I can understand people riding over penetrative media getting punctures and I can understand them wanting puncture resistant tyres and slime filled inner tubes just in case but just how many punctures are of the penetrative type? It is very rare that I have found any sign of penetrative media puncturing my tyres and goodness knows I have had my fair share. On recommendations from Posters on this site I invested in a pair of Marathon Plus puncture resistant tyres and it wasn’t long before I got a puncture. No sign of penetration. A fortnight later I was out on the moors, bike propped up on its stand and me sunbathing when Pssss while I was admiring the bike the front wheel deflated. I was amazed. I was nowhere near it. It just went down. Yet again no sign of penetration. I surmised that it must have been the first real day of Summer Sun that had done it by heating up the tyre and the extra pressure had found some way of causing a puncture and releasing itself. Having inspected the tyre I then put my attention to the wheel and noticed that the rubberised rim tape was easily moved and that underneath it was 26 neatly machined drill holes for the spokes each with a razor sharp edge. So there was the answer to non-penetrative punctures. The rim tape was moving out of its place and the inner tube was expanding down the spoke hole at least it was trying. It did not get far in its intentions before the razor sharp edge cut it short. I banged another tube in and tentatively went home, took the wheels off, got shut of the original rim tape swapping it for Electricians Insulation Tape (Strong and Sticky) and now with the spoke holes securely blocked off I am six months puncture free with maybe an extra 1000 miles of ride anywhere on the clock.
When meeting up with an old cycling buddy he often found that on taking his bike out of his car that one of the tyres would be punctured. He said he probably had more punctures while the bike was in the car than he had while out on the road and he rode his tyres down to the canvass. Little did he know but he was having razor drill hole problems. He laid his bike down in the back of his car with the wheels parallel to the road. Riding about in the car vibrated the bike and when it was that his tyres were in need of inflating the rim tape would move and a puncture would result.
Now I find it somewhat amusing to see (See Soundwaves Video post number 24 - 1min 23sec in ) to see my type of rim and the ‘mechanic’ explaining the process of making the rim tubeless compliant by sealing the spoke holes with some good strong sticky tape. He doesn’t know it but he has probably got rid of the reason for 95% of non-penetrative punctures at a stroke even before he has put a tyre on and his customer will no doubt finding that he/she no longer has the same number of punctures expound the virtues of ‘tubeless’ tyres.
Conclusion
If your rims are like those in Soundwaves video take heed of my post.
Yours sincerely
Linfitter.