Dr Sludge inner tubes prevent flat tyres, seal punctures instantly up to 3mm in diameter, will work time after time, are water based with anti-corrosion properties that are completely harmless and will not dry out regardless of outside temperatures. Reliable, not sticky, individually tested... in other words, theyre great!
- weldtite
- weldtite 700 x 18c - 25c self sealing innertube (presta)
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