FSA VAS Stem. Features: Vibration Absorbing Stem (VAS) features significant vibration damping via 360 degree handlebar keyed-elastomer reducing fatigue to arms and hands of the rider Comfort, sport and race elastomer bushings included to fine tune the amount of harshness the stem reduces from rough/gravel road surfaces 4-bolt cold forged alloy faceplate and CrMo hardware Note- Do not install VAS Stem on handlebars with holes for cable routing in the central clamping region 42mm clamp stack height with anodized black and black graphics. 291g (100mm) Specs: Steerer Dia:1-1/8" Bar Dia:31.8mm Rise:-6 deg Length:80mm Color:black