LEGO Technic Ball Joints & Tow Balls

LEGO® Technic ball joints and sockets are used when a build needs controlled movement, angled connections or stronger articulation than standard stud-based joints. This collection focuses on Technic-compatible towball pins, socket connectors and ball joint elements for vehicles, suspension systems, steering setups, robots, mechs and other moving builds.

For the wider parts catalogue, start with buy specific LEGO pieces. If you need smaller stud-based articulation, compare these parts with LEGO® Mixel joints and articulation.

Technic Ball Joints for Moving Builds

Technic ball joint parts are useful where a fixed pin, axle or plate connection does not give enough range of motion. Towball pins and socket elements allow angled movement while staying connected to beams, liftarms and connector assemblies.

• Steering links: towball pins and socket parts for vehicle steering mechanisms
• Suspension builds: articulated arms, linkages and moving control sections
• Mechs and robots: stronger poseable joints for limbs and mechanical frames
• Custom Technic structures: moving connectors for angled or rotating sections

Towball Pins, Sockets and Connectors

Many builders search for LEGO® tow ball joint parts when they need a compact ball-and-socket connection that fits into a Technic layout. These elements work alongside pins, axles, beams and liftarms, making them suitable for both functional mechanisms and display models with poseable sections.

For surrounding connector parts, see LEGO® Technic pins and connectors. For the broader Technic parts range, use LEGO® Technic pieces.

Choosing the Right Articulation System

Use Technic ball joints and sockets when the connection needs to carry more structure or integrate into a pin-and-axle build. Use smaller Mixel-style joints when the build is mainly plate, brick or character-scale articulation.