Weldtite 27.5″ / 650B x 2.00 – 2.50 Self Sealing Innertube (Schrader): 27.5X2.00-2.50?

Weldtite:

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!