The WCS Switch stem was designed to stealthily conceal cables into the headset and frame. Up to three cables - such as for the rear brake, shifter, electronic drivetrain or even dropper post - are effortlessly integrated with the Ritchey Switch System spacers and Switch headset (both sold separately) to cleanly route the hidden cables into the frame.The Ritchey Switch System is an innovative integrated system designed to easily conceal internally routed cables, wires, and hydraulic lines from the handlebar into bicycle frames with straight 1.5" head tubes together with tapered 1-1/8" 1.5" forks. The Switch System consists of three elements: Switch Headset, Headset Spacers and Adapters (Sold Separately)Features the tried-and-true Ritchey C220 handlebar clamp design, with an increased width for additional stiffness and rotated clamping area a few degrees downward to create a flatter and more aerodynamic top stem sectionThe front of the stem includes a reversible accessory mount, designed to accommodate accessories such as cycling computers, cameras, and power meter head units, this mount is completely hidden within the front clamp of the stem until you decide to mount your favorite accessory2014 alloy and 3D Net Shape Forging - Process that forces the material grain to follow the product shape for greater structural strengthStainless steel black hardwareMatching compression cap and cable guide includedItem SpecificationsBar Clamp Diameter (mm)31.8ColorBlackDefined Color ListBlackLength90MaterialAlloyS.H.I.S. Stem Clamp Diameter28.6Stack Height50Steerer Clamp Diameter1-1/8"Stem Angle (deg)84Weight175 Ritchey WCS Switch Stem Stems UPC: 796941319843