Schwalbe SV3 bicycle inner tube (2 pieces) 16 x 1.75/2.125 (47-62/305) for children's bike, etc. * High air pressure stability. * Keeps the air much longer. * Super quality and excellent purity of the rubber compound. * Presta valve. Easy play when changing tyres. The special shape of the lifting shovel reduces the risk of the hose being punctured by the lifter when mounting or disassembly. During disassembly, you can hang the practical tool in the spoke - so you have your hands free for the second lifter. The high-quality plastic is almost unbreakable. Individual lifters can be plugged together to form a compact unit.