This listing is for a pair of tyres only. Improve your ride times with the Michelin Pro 4 service course.. Optimal Efficiency due to its 3x110tpi casing, Bi-compound rubber and light weight (200g).. Bi-compound rubber with increased rigidity in the centre of the tread and softer higher-traction rubber for better cornering performance.. With HD Protection technology. Made up of high-density cross-laid textile reinforcements, it provides an excellent balance between perforation resistance and low rolling resistance without compromising weight.. • Bead - Foldable. • Size - 700x25c. • ETRTO - 25-622. • Casing - 3x110 TPI. • Weight - 200g.