Fits: TRX-4M models (drop-in upgrade)

Steel Races and Cages combined with Ceramic Balls

4S and 6S capable

HPI Racing 105508 Hardware/Tool Set Recon

Compatible Vehicle Type: Crawler

Traxxas 9054 Extreme HD Front Stub Axle Mad Force Parts Fits: TRX-4M models (drop-in upgrade)This is the genuine Traxxas Extreme Heavy Duty 6mm front stub axle for the Rustler 4X4, made for use with the #9051R steel constant velocity driveshafts. Front stub axles work harder than rears on a 4WD truck: they carry drive torque and steering loads at the same time, flexing through every full lock launch. The Extreme Heavy Duty version uses a 6mm diameter shaft that shrugs off the bending loads that put a set in smaller axles. This is the correct