The evolution of the the famous Superzero stem that's designed to allow fully integrated cable routing when coupled with Deda handlebars featuring the DCR system (Deda's internal cable routing). The Superbox stem features a proprietary system that provides two possible mounting solutions for the internal cable routing:* Completely internal cable routing through bar/stem (DCR) * Semi-internal cable routing through stem (S-DCR)DCR compatible handlebars: Superzero DCR for Road use, Gera DCR for Gravel and Alanera DCR for integrated bar and stem.**Please note: If cables are being run in a DCR set up, it must be used with a 'D' shaped Steerer tube****Tech Specs*** Material: Alloy 6061* Angle: 82deg* Handlebar dia: 31.7mm* Fork Steerer dia: 1 1/8"* Clamp Height: 31mm (40mm including cover)* Weight: 175g (110mm)**Includes:** Integrated Top Cap / Headset Spacers and Topcover for Headtube 56mm and 46mm