Weldtite 27.5" / 650B x 2.00 - 2.50 Self Sealing Innertube (Schrader): 27.5X2.00-2.50”

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!