Aluminum alloy bicycle expansion handlebar plugs are designed for installation in bicycle handlebars. They provide a secure fit for handlebars with an inner diameter of 16-21mm.
Material: aluminum alloy
Compatibility: 16-21mm inner diameter handlebar
Screw specification: M4x34 mm
Dimensions: diameter 23.5 cm, lower end 15.8 cm
Weight: 21g/pair
Set contains: Expansion Tube x 1, Aluminum alloy cover x 1, Hexagon socket x 1
