I’ve used a Stans conversion kit on my 721’s – the front (with a Nic) has gone on fine and sealed very quickly – only took about 10 minutes. However, the rear (with a Ralph) is being troublesome and just won’t seal. It’ll inflate and I get it to about 40psi, do the disco dance – but still it refuses to seal.
I think I may have gotten to much water in with the soap/water combo and watered the sealant down – is that possible?Posted 5 years ago
Some tyres need a good scrub of the inner walls to remove an anti-fungal coating.
Some tyres take a week or so of shaking/topping up/inflating to seal properly.
Some tyres are just Satan’s love children!!!!
I now use either a CO2, or my ghetto compressor made from a garden sprayer to get mine inflated!Posted 5 years agoSchweizSubscriber
I’m guessing this is an older tyre. The Schwalbe tubeless ready tyres from 2012 onwards are pretty much sealed straight out of the box.
Use some soapy water to identify leaks and focus your efforts of sealing those particular areas (i.e ensure the sealant in the tyre is pooled in the area of the leak)
Were the tyres previously used? Could there be some damage to the bead? Was everything nice and clean when you did the conversion?Posted 5 years agoGreenKSubscriber
What Mark N said.
I have had to use a lot of Stans 4-6 scoops with a non-tubeless ready Ralph. Once inflated do the pointing downwards at 30 degrees and shaking, turn a bit then shake, repeat all the way round. Turn wheel over and repeat the whole thing again. Then have a cup of tea (time for arm recovery) and do it again both sides.
I often find that new unsealed tyres need quite a bit more Stans than is suggested.Posted 5 years agojez24ooMember
My advice having tried ghetto tubeless before is to strip clean mount tyre leave a gap to pour latex- lots and then seat onto the rim don’t use soap as a lubricant just rub some sealant around the sticky area to help with the seal blow up to the max and spin for a while , or just go ust I just have and it’s so so easy and never burps air I’m running xc set up at 18 psi 🙂 v grippy in the snow !Posted 5 years ago
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