Technic, Axle Pin without Friction Ridges Lengthwise

The LEGO® Technic Axle 1L with Pin without Friction Ridges (3749) combines a short axle connection and a frictionless pin in one compact component. Ideal for connecting Technic elements where a smooth, low-resistance pin connection is required, this versatile piece is useful for repairs, replacements and custom mechanical builds.

Part Details

• Part number: 3749
• Design: Technic axle 1L with pin
• Pin type: Without friction ridges
• Connection: 1L axle end and frictionless pin end
• Colour shown: Tan

Compact Technic Connections

Part 3749 is useful when a build needs both an axle connection and a pin connection within a small space. The pin end has no friction ridges, allowing movement in compatible Technic pin holes, while the axle end fits compatible cross-axle openings.

Whether you're replacing a missing component or expanding your building inventory, explore our LEGO® Technic pins and connectors for more compatible connection elements.