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I'm sure that expanding polyurathane foam would fill a bike tyre no problem.
to be a little bit serious:
I used 2 tires per rim for several years when I rode to work on terrible dirt roads.
before that I used to puncture every second day.
cut the kevlar edges off one and place inside another tire. tight fit first time but works a treat.
forget tyres and tubes.
Ride on the rims.. viola... no punctures.
forget tyres and tubes.
Ride on the rims.. viola... no punctures.
Is there anyone on the board who has tried these?
I doubt they would be nice to use but I would be interested of hearing the opinions of a user.
forget tyres and tubes.
Ride on the rims.. viola... no punctures.
Why would playing the viola whilst riding result in no punctures?
Is there anyone on the board who has tried these?
I doubt they would be nice to use but I would be interested of hearing the opinions of a user.
<br /><br /><br /><br />I know a couple of ways to make tyres puncture proof which work well for road bikes with narraw tyres. One way is to cut up those foam camping mats into long thin strips the same width as the tyres and fill the tyre with them to the depth of the tyre. Then fit the tyre on the rim. It should be ridable and comfortable though might feel a bit mushy. Does not work for mountain bike or road bikes with tyres wider than 35C. <br /><br />Another way is to get some rubberised paint from car shops the type that is used to rust proof the underside of cars. Paint the inside of the tyre with several thin layers allowing each to dry until there is at least a quarter of an inch thick layer of rubberised paint inside the tyre behind the part of the tyre that touches the road. This should give enormous protection against flats as it thickens the tyre wall where it is needed most.<br />
I know about these tyres http://www.greentyre.co.uk/26inch.html the only trouble is that now a days you can only buy them online!!! Many years ago Halfords used to sell them. Which was about the only useful bike related thing they ever sold.
I am sure a camping mat cut up into long strips would work for road bikes. By the way "so called" puncture resistant tyres are not that good, you will get fewer punctures but they are no way puncture proof. I have used them and still got punctures in them. They do last a lot longer than cheap tyres though.