To answer the question, the standard wheels will fit fine, the new hexes are the alloy upgrades over the standard plastic version.
White Set:
W5201W & W5202W
Yellow Set:
W5201 & W5202Y
There is an older rim out there, you can tell as it has a small lip that runs around the edge of the face of the wheel. Don't use these, use the above part numbers.
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