Selle PROLOGO NAGO R4 Rails Tirox largeur 147mm Noir SOFT coupevent Sizes Chest Measurement Waist Measurement BF Sizes Chest Measurement Waist Measurement XS 89 94cm 74 79cm S 94 99cm 79 84cm M 99 104cm 84 89cm L 104 109cm 89 94cm XL 109 114cm 94 99cm XXL 114 119cm 99 104cm XXXL 119 124cm 104 109cm Measure your chest circumference by passing the tape measure under the armpits and over the upper chest The PIRELLI Scorpion™ XC M tyre is the best choice for cross country marathon rides where terrain often varies but speed remains a fundamental characteristic Its compact dimensions of 245 mm and its T shape provide optimal freedom of movement it suits cyclists with average pelvic flexibility