Trek Topcap Adaptor Superbox & Alanera Dcr & Superbox

Superbox and Alanera DCR Headset Spacers Deda Elementi headset spacers designed for the Superbox and Alanera DCR (Deda Cable Routing) integrated handlebars. The DCR system allows full internal routing of the cables inside the handlebar when mounted on a fork with a D-shaped steerer tube. * DTSP76A Alanera 10mm Nylon DCR Spacer * DTSP77A Alanera 20mm Nylon DCR Spacer * DTSP78A Alanera 5mm Nylon DCR Spacer * DWS40CA: Includes specific top cap with M12 Screws