．Material:  Base/Extension arm: AL6061-T6 / Dial: Nylon
．Applicable Specifications: Suitable for 1-1/8" stem tube/fork steerer tube.
．Base Length: 50mm (center-to-center).
．Extension Function: Can also be fitted with an additional extension mount for a further 64mm (center-to-center) length.
．Angle Adjustment: Adjustable to even greater angles to suit different riding conditions or needs.
．Weight: 22g
．Color:Black