This aftermarket bearing kit is tailored for 1/18 TRX4M crawler platforms and replaces wheelbox, axle and drivetrain bearings with sealed steel units that reduce internal friction and help keep contaminants out during trail and crawler use.
The set contains multiple metric sizes that match the original bearing positions, enabling a one-pass swap when servicing or upgrading your model. Sealed steel construction aims to lower routine maintenance compared with open bearings while retaining stock fit dimensions for the listed TRX4M models.
When refreshing or servicing bearings on a listed TRX4M 1/18 model, this sealed steel set supplies matched sizes for a full replacement and helps preserve drivetrain smoothness under typical trail and crawler conditions.
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