Wide enough for control narrow enough to keep you aeroDesigned to allow you to find your fastest positionAerodynamic wing shape designed using the CFD-proven wing shape from the SL-70 Aero.Rapid Routing cable exits are positioned for easy installation of brake cables, now with routing through the stem clamp area.Updated Zipp cosmetics that scream speed, matte carbon with gloss black logo.Material (HB)Unidirectional CarbonClamp diam31.8mmDrop (HB)20mmClip compatibleYesWidth (center-to-center)38cmBrake lever compatibilityPlug StyleClamp width120mm