Product details: Name: bike handlebar extension Material: Aluminum Alloy Color: Black Dimensions: 31.8 x 110 mm Length: 110 mm Weight: about 276g Handlebar installation diameter: 31.8 mm (1OE") Front panel width: 35 mm Front Fork Tube Installation Diameter: 28.6mm Angle adjustment range: +60/-60 degree adjustable angle Applicable handlebar types: road handlebar, mountain bike handlebar, butterfly handlebar, airplane handlebar Suitable for most bicycle models: mountain bike(MTB), road bike, city bike, folding bike, gravel bike, electric bike, etc.