Quad Lock PRO Mount Adjustable Replacement Arm The Handlebar PRO Adjustable Arm features precision CNC-machined anodized aluminum construction and stainless steel hardware for lasting durability. Its third-axis design allows full up, down, side-to-side and pivot adjustment through a single 3mm Allen bolt, making it easy to dial in the ideal smartphone viewing angle on non-parallel handlebars. If you currently ride with a Quad Lock handlebar mount and wish to upgrade to PRO-levels of adjustability and converience, you can achieve this with the arm-only upgrade no need to buy a completely new kit with bar mount and index head. Features: Adjustable PRO Mount arm (only) Quad Lock Part # Qlp-Hbr-Pro-Adj Bar mount and index head mount interface sold separately Part of kit Qlm-Hbr-Pro-Adj If you have an existing Quad Lock kit, upgrade to the PRO Adjustable mount with this arm Black anodized CNC-machined aluminum body and arm with black stainless steel hardware Two-axis adjustable head controlled by a single 3mm Allen bolt 360-degree rotation Up to 80 degrees of tilt Rotation and tilt set together with a single screw 360 degree arm rotation on the handlebar Discreet cable route for USB charge cables (remove plug in upper clamp to access)