The Kyosho EFW004 front double bearings are built for the FANTOM EP 4WD and offer a practical bearing swap. Replacing the stock 6x15x5mm wheel shaft bearing with two 6x10x3mm bearings reduces vibration and cuts friction for a cleaner roll.
The anodized gold finish gives a durable surface and a neat visual touch, while the twin-bearing arrangement helps stabilise the wheel shaft and improve efficiency. It is a straightforward upgrade that riders use to reduce drivetrain drag.
Make sure the wheel shaft is free of grit and old lubricant before fitting the Kyosho EFW004. Careful seating and a small amount of compatible lubricant will help the bearings run smoothly and extend their service life.
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