Aeria Stem Dura-Ace Di2 featuring a lower back and

featuring a lower back and higher cut offers ultimate freedom of motion

Sport Semi-Metallic: Jagwire Sport Semi-Metallic disc brake pads are a great improvement from OEM

Lightweight and breathable rip-stop Barrier fabric

Internal EVA padding to prevent rattling

-Stiff and lightweight design assists aggressive trail riding

Aeria Stem Dura-Ace Di2 featuring a lower back andFeatures 3D Forged 6061 T6 Aluminum Patent Pending front clamp system provides easier installation, more secure ? attachment while hiding the front bolts for a cleaner and more aerodynamic profile. Color Black Clamp 31. 8 mm Steerer 1 1 8 (1 with shim ) Rise 73 Length 70mm , 80mm Weight 150 g