Tamiya - TB-03 Carbon Bumper Support Replacement Parts Transmitter and Receiver Antenna They've also redesigned the shape

They've also redesigned the shape of the A-arms while retaining stock suspension geometry to help improve survivability for those "oops" moments

Fits Traxxas TRX-4 But will require both 2mm(Z-S0600) and 3 mm (Z-S0806) Black Spacers with M3 Holes

Number of teeth: 34

Pro4 SC10 General Tire Off-Road 1/10 4WD Electric Short Course Truck RTR Product Manual

and the other aerodynamic parts

Tamiya - TB-03 Carbon Bumper Support Replacement Parts Transmitter and Receiver Antenna They've also redesigned the shapeThis bumper support now adopts a 2mm thick carbon plate which helps in protecting the shape of the bumper and body mount in cases of high speed crashes. Compatible Chassis TA07 PRO, TA06*1, TA06 PRO*1, TA06 MS*1, TA05 Ver. II,*1 TB 05 PRO, TB 04*1, TB 04 PRO*1, TRF419, TRF419X, TRF419XR, TB Evo. 7, TB Evo. 6 & TB Evo. 6 MS Chassis *1Cannot be used with Item 54128 TB 03D Aluminum Bumper Support.