These 15x21x4mm bearings are intended for use with the Mugen buggy and truggy 1/8 scale vehicles. This bearing is the stock replacement bearing for the inner wheel hub and can also be used as a standard bearing for other RC vehicles. Please check the manual that came with your vehicle for the correct size if you are not certain.
This product can be delivered in an envelope. There can be 22 pcs in one envelope.
The approximate size of the packed product or the sales package is 100 x 100 x 10 mm.