5mm washer-type computer mount.

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.

Material: Base/Extension arm: Aluminum alloy AL6061-T6
Dial: Nylon
Weight: 22g