Michelin pro4 grip v2 black tyre free tubethe michelin pro4 grip v2 has 15 more grip in the wet than the pro4 service course making it the ideal road bike tyre for wet weather riding pair it with the durable airstop butyl tube and youve got a winning combo airstop butyl tubes answer the needs of everyday cyclists for economical high quality inner tubes they offer excellent puncture resistance and the consistently high quality for which michelin is famous tyre featuressize 700 x 23cupd