LEGO® Technic Rotation Joint – Assembled Disk and Pin Set

Unlock advanced movement in your LEGO® Technic builds with this pre-assembled rotation joint set. It includes a Dark Bluish Gray Technic Rotation Joint Disk with Pin Hole and 2 Pins (80563) combined with a Black Large Pin Joint Disk (79505) and two small side rotation arms. This configuration provides flexible articulation for robotics, machinery, and mecha-style constructions.

Key Features:

• Includes both Technic Joint Disks (80563 and 79505) pre-assembled
• Enables full range of angular motion with rotational locking
• Ideal for Technic arms, legs, and articulated frames

Suggested Builds:

• Create robotic arms with realistic pivot points
• Design transformable mechs with shoulder or hip articulation
• Use in LEGO® MOC bundles to support complex movement systems

Trivia: These Technic joint disks are a favorite among custom builders for their strength and precision—originally used in BIONICLE sets to provide lifelike limb movement.

Browse more LEGO® Technic pieces for your next engineering project.

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