The Cornerstone of a Strong Technic Frame

Create perfectly rigid 90-degree angles in your builds with the LEGO® Technic 2x4 L-Shaped Thick Liftarm (Part 32140). This is one of the most fundamental structural elements for building a strong and reliable chassis or frame. Its "thick" one-brick-high profile ensures maximum rigidity, preventing twisting and bending at critical connection points.

This essential framing piece is a staple in our comprehensive collection of LEGO® Technic Beams.

Engineered for Maximum Structural Integrity

Unlike building right angles from separate beams and connectors, this single, solid piece guarantees a perfect and durable corner every time. It is the go-to solution for any application where strength and precision are paramount.

Creative Building Applications:

• Vehicle Chassis Corners: Form the strong, square corners for the chassis of a truck, car, or rover.
• Gearbox Mounts and Casings: Build a rigid housing for complex gear systems that won't flex under load.
• Structural Bracing: Use it as a powerful corner brace to reinforce large frames and superstructures.
• Mounting Brackets: Create a sturdy, offset mounting point for motors and engines or other functional components.

Secure this liftarm into your creations using a variety of Technic pins and connectors to lock your frame together.

Discover more in our LEGO® Technic Pieces collection.

LEGO® parts are intended for builders aged 4 and up. They may pose a choking hazard for children under 3 years old.