Profile Design T1+ Viper Clip-On Aero Bars are constructed of carbon and available in black & whiteCarbon fiber extensions6061-t6 aluminum forged bracketsF-22 Adjustable anatomic armrestsOffical aerobar of IronmanItem SpecificationsColorBlackWeight536gMaterialCarbonAero Bar/Cross Lever Diameter31.7/31.8,26.0Aero Bar Length42Defined ColorBlack