August 3, 201412 yr I know this topic comes up regular so I would like to share my idea. My rim was leaking so I removed the rim band that the previous owner had unsuccessfully used Evo-Stick and so cleaned it all off with petrol. Bought some 'Plumbers Mait' this none setting, water / chemical proof and very very sticky sealing putty, Spread an ample layer 2 to 3mm thick covering all round the centre of the rim and then refit the rim band. Pressing the band down into the rim and removing the excess as its squeezed out, this takes a while. This could seal rims that may in very poor condition. Worth a try. Result is totally air tight. The nature of this product could be a long lasting cure and because it doesn't set you can still tighten spokes or if you ever need to replace any spokes it can be taken apart and resealed easily. Cost £3.60 for 750g, got loads left I estimate this size of tub would easily fix 5 wheels. I guess I just need some friends to use it up. Edited August 3, 201412 yr by richt
August 3, 201412 yr Why are you apologizing for a possible solution that vexes us all regardless of brand. Well done sir.
August 3, 201412 yr Author Why are you apologizing for a possible solution that vexes us all regardless of brand. Well done sir. Edited, Apology retracted.
August 10, 201412 yr Author Result A week later and the tyre pressure has not budged a single micro of a psi.
November 23, 201411 yr Author Update! Just after first doing this I fitted a new tyre inflated it to 3psi and now it's been on for more than 3 months, Just checked the pressure today and it is still 3psi
November 23, 201411 yr It's always best when changing a tyre to clean the rim and seal the rim band, I agree with the others, don't use silicone. PU (polyurethane) sealer is the best either the brand called Tiger Seal or the cheap one in Toolstation is very good. If you have fitted the tyre and it still goes down then Tyreweld works every time. http://www.halfords.com/motoring/breakdown-emergency/breakdown-kits/holts-tyreweld-300ml. With the tyre dead flat, pump it up with the tyreweld can then ride around for 5 mins at a steady pace wait 10 mins then let your tyre down to trials pressue and go and ride. 1 can of this will do about 4 tyres. This is different to tyre slime as only a small amount of foam goes in the tyre, When you remove the tyre again to change it there is only slight evidence of it inside. It seals the spoke band and the tyre rim all in one.
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