Jeu de Direction Intégré FSA ORBIT IS 2 CX (TH 874) 1"1 8 IS41 SOFT respirant Sizes Chest Measurement Waist Measurement PBS_SHOO077024 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 It is also compatible with Tubeless Ready mounting without an inner tube The FSA Orbit IS 2 CX integrated headset is a model offering precision and high reliability developed specifically for Cyclocross equipped with a "Drop In" headset tube and 1 1 8" steerer It is made from forged and CNC machined aluminium for maximum strength and precision