Étoile Pédalier ROTOR ALDHU VEGAST Compact 4 branches Bon Plan Sizes Chest circumference (in cm) PBS_SHIM005082 Sizes Chest circumference (in cm) Waist circumference (in cm) Hip circumference (in cm) Size (in cm) XS 88 91 70 74 89 95 165 178 S 92 95 75 80 94 100 173 188 M 96 100 81 86 99 106 178 190 L 101 106 87 92 105 110 181 195 XL 107 113 93 99 109 116 >185 XXL 114 121 100 106 115 121 >185 Measure your chest circumference at the widest part of your torso It is available here in size S M This spider is also compatible with the brand's 2INpower and INpower power meters Mounted in combination with the chainrings and especially the cranks from the same series — the lightest the brand has ever designed — theROTOR Spider for cranks Aldhu Vegast in Compact was designed to meet the expectations of high level competitors for whom victory can hinge on the smallest of details