LEGO® Technic Parts - Beams, Gears, Axles & Pins

LEGO® Technic parts bring advanced movement, structural strength, and functional engineering to custom builds and repairs. This collection includes individual Technic beams, gears, axles, pins, connectors, and mechanical elements designed for builders creating vehicles, machinery, robotics projects, and detailed MOCs. Whether you need a single replacement component or are sourcing parts for larger designs, LEGO® Technic elements allow precise and flexible construction.

Technic components are part of a broader ecosystem of individual LEGO® building elements. Explore the full LEGO® Parts collection for additional structural, specialty, and mechanical pieces.

Explore LEGO® Technic Part Categories

Browse dedicated Technic categories to quickly find the components needed for your next project:

• Technic Bricks — Structural bricks with pin holes that combine traditional stud connections with Technic functionality.
• Technic Beams & Liftarms — Core structural elements used to create strong frames and complex assemblies.
• Technic Pins & Connectors — Essential joining elements for connecting beams, axles, and moving structures.
• Technic Gears & Mechanical Elements — Transfer movement through gear trains, turntables, and rotating mechanisms.
• Pneumatic Parts — Air-powered components used in cranes, machinery, and advanced Technic systems.
• Ball Joints & Tow Balls — Flexible articulation elements used in steering systems and movable structures.

Common Uses for LEGO® Technic Components

• Vehicle Builds — Create steering systems, suspension setups, drivetrains, and functional chassis designs.
• Mechanical Projects — Build moving gear systems, linkages, cranes, and machinery.
• Robotics & STEM — Useful for educational builds and engineering-focused creations.
• Repairs & Custom Projects — Replace missing Technic pieces or source exact components for modifications.

From structural beams and connectors to gears and moving elements, LEGO® Technic parts make it possible to build models with realistic movement and durable engineering.