LEGO® Technic thin liftarm 1x4 part 32449 is a dark bluish gray structural element with a narrow beam profile, two axle holes, and lightweight construction. The compact design creates connection points suited for mechanical layouts and detailed Technic structures.
LEGO® Technic Liftarm Design
This thin liftarm mould uses a streamlined beam shape with a 1x4 format and integrated axle openings. The reduced profile allows more compact construction while maintaining multiple connection possibilities for moving assemblies and structured layouts.
