Tige de Selle FSA GOSSAMER Recul 20mm Pneu Rigide The Hutchinson Wyrm Downcountry & combined with tool free The Hutchinson Wyrm Downcountry & Trail tyre represents the ultimate solution for tackling all terrain on a mountain bike Sizes Chest Waist XS 89–94 cm 74–79 cm S 94–99 cm 79–84 cm M 99–104 cm 84–89 cm The 104–109 cm 89–94 cm XL 109–114 cm 94–99 cm XXL 114–119 cm 99–104 cm XXXL 119–124 cm 104–109 cm Measure your chest circumference by running the tape measure under your armpits and across the fullest part of your chest The clamp features a single bolt Nano adjustment system that allows easy saddle tilt adjustment with an anodised finish and laser etched graphics