When building Tank robots with EV3 there are a number of different options for Treads. Just make sure you have the once that are coming with LEGO Mindstorms EV3 45544 and 45560. The complete part name is Part 57518 Technic, Link Tread Wide with Two Pin Holes.
- 05 Dec 2017
Where to buy them from?
You could always try BrickLink. Again - the complete name is Part 57518 Technic, Link Tread Wide with Two Pin Holes.
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