**Please note that the tubes are bulk packed for convenient FREE LETTERBOX DELIVERY and the original manufacturers box may not be included with the pack ** This listing is for TWO quality 29" Continental MTB mountain bike inner tubes INCLUDES: 2x Baldy's tyre levers 'FREE OF CHARGE' Continental tubes have a seamless construction, with a mould-cured vulcanization, to ensure uniform roundness. Presta / French type valve Long life air retention High puncture resistance Includes plastic dust caps 42mm long x 6mm diameter (approx) quality precision made presta valves with reinforced collars Butyl rubber has excellent air retention qualities, its extra thickness means less punctures and less deflation Suitable for tyre sizes: 29 x 1.75 (47-622) 29 x 1.90 (48-622) 29 x 1.95 (50-622) 29 x 2.00 (50-622) 29 x 2.10 (54-622) 29 x 2.