Steerer Dia: 1-1/8” Color Available: Black / Blue / Orange / Purple MK2 made of Aluminum by 3D forged process and also CNC Machined cutout can offer extremely lightweight but durable features. The 35mm extension stabilizes great handling also. We have released four anodized colors options, but there's another funny feature that you can change the faceplate to achieve 16 Color Combinations and perfectly match your bike!