Michelin lithion 2 tyres grey 25c free tubeslooks and performs like a professional racing tyre but at a fraction of the priceairstop butyl tubes answer the needs of everyday cyclists for economical high quality inner tubes in each size airstop butyl tubes offer excellent puncture resistance and the consistently high quality for which michelin is famous contains two tyres and two tubesfeatures performancea lightweight tyre with high levels of rolling efficiency grip suppleness punc