DRC/ZETA/UNIT Adjustable Mounting Bracket Handlebar TypeBrace type adjustable mounting bar Multiple mobile devices such as phone mount holder and USB power charger can be attached on the handlebar The length can be adjusted in 5 stages by using the special spacer. Compatible with various shapes of bar handles The brace shaft has a full flat design with a diameter of 22. 2mm to maximize the mounting space Compatible with bar handles without handlebar brace (22. 2mm) High strength aluminum is used.