Specification: Item Type: Bicycle Handlebar Extension Bracket Color:Black Material: Aluminum Alloy Weight: Approx.128g/4.5oz Size: Handlebar Tube Length: Approx. 30cm/11.8in Diameter: Approx. 22.2mm/0.9in Suitable for: Approx. 22.2-31.8mm/0.87-1.25in Handlebar Package List: 1 x Handlebar Tube 2 x Mounting Frame 1 x Wrench