The HCR system (Hidden Cable Routing) hides the brake hoses from view without enclosing them in the stem or spacers for easier installation, maintenance, and travel. With its aluminum spacers and fully sealed design, HCR gives the clean look of internal cables without the downsides often associated with it. Included: Stem & spacers Clean, traditional aesthetic High polish finish Cable Seal prevents water and dirt ingress into headset Stainless steel HELLBENDER bearings Reduces cost of ownership of bikes with integrated routing SPECIFICATIONS: STEM ANGLE:-6deg STEM WEIGHT: 90MM: 160g STEM HARDWARE: Stainless steel BEARINGS: Stainless steel HELLBENDER bearings SPACERS: One-piece slotted aluminum. (1)10mm + (2)5mm included with stem.• SEALING: Bearings fully enclosed by steerer tube o-ring seal, interlocking Cable Seal, top cover lip seal, & dual-lip crown race seal COMPATIBILITY: Optimized for wireless drivetrains.