Tevo Little Monster filament spool replacement with bearings

This is a replacement spool holder for the Tevo Little Monster. It uses 6006 sealed bearings (I got them from Amazon for $11) and is adjustable for various width spools. It replaces the threaded rod that comes with the TLM as that is a bit over 30mm in diameter making these bearings not fit, plus the rod is about 20mm longer to accommodate wider filament spools.

The threaded rod is done in 2 pieces with a connector that joins them. The existing 30mm nuts on the TLM's rod go onto this thr