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I spoke with the bike's previous owner, and he confirmed that the tyre was never filled from a compressor, always used a floor pump or a minipump which takes air from the atmosphere, so little chance that water went in via the pump.

The tube was a self-sealing CST tube, worth around double the cost of a normal tube. The brown poop liquid IS the sealant liquid in this brand of tube. It was no more than a couple months old as well, fitted to sell the bike.

I'd guess self sealing road tyrestubes are a bit useless based on this.

Accepting this answer because it came from the previous owner.

I spoke with the bike's previous owner, and he confirmed that the tyre was never filled from a compressor, always used a floor pump or a minipump which takes air from the atmosphere, so little chance that water went in via the pump.

The tube was a self-sealing CST tube, worth around double the cost of a normal tube. The brown poop liquid IS the sealant liquid in this brand of tube. It was no more than a couple months old as well, fitted to sell the bike.

I'd guess self sealing road tyres are a bit useless based on this.

Accepting this answer because it came from the previous owner.

I spoke with the bike's previous owner, and he confirmed that the tyre was never filled from a compressor, always used a floor pump or a minipump which takes air from the atmosphere, so little chance that water went in via the pump.

The tube was a self-sealing CST tube, worth around double the cost of a normal tube. The brown poop liquid IS the sealant liquid in this brand of tube. It was no more than a couple months old as well, fitted to sell the bike.

I'd guess self sealing road tubes are a bit useless based on this.

Accepting this answer because it came from the previous owner.

1
source | link

I spoke with the bike's previous owner, and he confirmed that the tyre was never filled from a compressor, always used a floor pump or a minipump which takes air from the atmosphere, so little chance that water went in via the pump.

The tube was a self-sealing CST tube, worth around double the cost of a normal tube. The brown poop liquid IS the sealant liquid in this brand of tube. It was no more than a couple months old as well, fitted to sell the bike.

I'd guess self sealing road tyres are a bit useless based on this.

Accepting this answer because it came from the previous owner.