Schwalbe Tube SV7. Reliable, high quality and very air tight inner tubes from Germany's number one manufacturer. All valves are nickel plated and valve inserts are replaceable.

20x1.50 (40-406)

20x1.75 (47-406)

20x2.00 (50-406)

20x2.10 (54-406)

20x2.125 (57-406)

20x2.35 (60-406)

20x2.50 (62-406)

Weight: 145g, Stem length: 40mm