Technic Ball Joint Brick 57909b 2x2 with Axle Hole

LEGO® Technic ball joint brick 57909b, a modified 2x2 element combining a ball connection with an integrated axle hole. This part is designed for articulated builds, allowing rotational movement alongside secure axle-based connections.

Ball Joint Brick with Axle Connection

The 2x2 brick base provides standard stud connections on top, while the attached ball joint extends outward for multi-directional positioning. The integrated axle hole enables additional structural linkage, making it suitable for layered connection systems.

Connection Features and Element Design

• 2x2 modified brick with top stud configuration
• Ball joint element for rotational articulation
• Axle hole integrated into the brick structure
• Multiple holes in the ball for flexible positioning
• Compact design combining two connection types in one element

Explore more in the Technic ball joints and sockets collection for compatible connection elements.