Technic Link Tread – 3873

Build a linked tread or moving chain section with LEGO® Technic link tread 3873. This compact rectangular piece features a row of circular openings and integrated joining points, allowing multiple matching links to be connected in compatible Technic mechanisms.

Connectable Technic Tread Link

Individual links can be combined to form a continuous tread for tracked vehicles, conveyor-style details and custom mechanical builds. The open design and connection points make part 3873 easy to identify when replacing a missing section. Check the part number and connection style against your model instructions before ordering.

Choose Black or Light Bluish Gray. Each purchase includes one link tread piece in the selected colour; the 60-piece Black lot shown in the photo is a separate listing. Explore more LEGO chains and Technic link parts for related pieces.