The Deda Elementi Superbox stem features the DCR system (Deda internal cable routing), that provides two possible mounting solutions for the internal cable routing. The complete internal cable routing (DCR) or the semi-internal cable routing (S-DCR) through a cover that allows the installation, adjustment or service without unnecessary complications for electronic cables and hydraulic housing disconnection.Compatible with a 46 mm (for 1-1/8" bearing) or 56 mm (1.5" bearing) upper headtubeSpecial spacers that provide the channels for the housing cablesSplit spacers can be added or removed to without having to remove all cablesIncluded: integrated topcap, headset spacers and topcover for headtube 56mm & 46mm, D-clip insert