Michelin power all season 23c tyres free tubesthe all season road bike tyre is the grippiest tyre in the michelin power range and provides unrivalled grip in harsh conditions michelins technology experts focused particularly on the rolling resistance grip and resistance to perforation with a view to ensuring even longer tyre life the new range also stands out for the unrivalled performance it delivers thanks to some major innovations and through the fact that it was engineered to meet the d