Schwalbe Tube SV3. 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.

16x1.75 (47-305)

16x2.00 (50-305)

16x2.10 (54-305)

16x2.125 (57-305)

16x2.50 (62-305)

Weight: 115g, Stem length: 40mm