Cinelli ant stemthe ant stem is cinellis fixed gear specific stem offering a short 60mm length that is perfect for the urban cycling market it gives the rider an upright and nimble steering position it is constructed from lightweight 6061 t6 aluminium alloy and features cinelli branding along the side and faceplate features material forged by 6061 t6 aluminium alloy clamp diameter bar 31 8mm clamp diameter steerer 118 28 6mm bolts m5 front and rear stem angle 8496 weight 125gb