Ant is our new fixed-gear specific stem, fulfilling a specific requirement of the urban cycling market it is available in only one size: 60 mm.Clamp diameter: 31,8 mm. Clamp diameter: 28,6 mm (1-1/8").Stem angle: 84°/96°. Weight: 125 g (130 g white). Material: Forged by 6061 T6 Aluminium alloy. Finishing: Matt black anodized. Bolts: M5 Front and Rear.