80-90-100-105-110-115-120-125-130-125-140-145-150 Handlebar O.D.: Ø 31,7 mm (Newton standard). Fork steerer O.D.: Ø 28,6 mm (1’1/8). Extension angle: 82°. Collar stack height: 40 mm. Tightening torque: for all bolts, 8 Nm (5,9 ft.-lbs) (71in-lb). Weigth (120 mm size): 125 grams.