Traxxas 7781X X-Maxx Aluminum Differential Housing Carrier (requires TRA7783X) Carbon Fiber They are for use with

They are for use with #8654 series 17mm splined wheel hubs and #7758 series 17mm nuts for a complete set

Change takes only moments with a small screwdriver and doing it is easy and problem free for novice and expert alike

or abstract masterpieces

this model is a must-have for any enthusiast

Transmitter (Tx) Battery Type: 4 AA (sold separately)

Traxxas 7781X X-Maxx Aluminum Differential Housing Carrier (requires TRA7783X) Carbon Fiber They are for use withThis is the Traxxas X Maxx Aluminum Differential Housing Carrier, which requires TRA7783X; spider gear shaft. This housing is compatible with Torque Biasing Center Drive and front and rear differentials.