2 x Continental tubes, have a seamless construction, with a mould-cured vulcanization, to ensure uniform roundness. Schrader / Car type valve Long life air retention High puncture resistance Includes plastic dust caps 40mm long x 8mm diameter (approx) quality precision made schrader valves with reinforced collars Butyl rubber has excellent air retention qualities, its extra thickness means less punctures and less deflation note the innertubes are from a workshop box so will NOT have original boxes, cheers Suitable for tyre sizes: 700 x 32c (32-622) 700 x 35c (37-622) 700 x 38c (38-622) 700 x 40c (40-622) 700 x 42c (42-622) 700 x 45c (45-622)
