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This set of longer durable steel outdrive cups fit the front diff or spool on the HB TCX, allowing racers to use the 44mm driveshaft instead of the 46mm driveshaft.

To only be used with the TCX drive shafts as they use a 2.4mm drive shaft pin.

For a lightweight pair of outdrive cups, see the #68770 Solid Axle Long Cups made from POM plastic material.

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