Weldtite 29" x 1.9 - 2.35" Self Sealing Inner Tube (Schrader): 29X1.90-2.35"

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!