These are the Aluminum Locking Hex Wheel Hubs

Foam Padding

One is being used (miniature prepainted figure facing inward doing his thing)

precise throttle control during carb service

so a bent axle shows up fast as vibration and wobbly handling

RPM 81465 Front Right Suspension Arm Set Blue Traxxas E-Revo 2.0 #8631 132slotcar These are the Aluminum LockingRPM 81465 Front Right Suspension Arm Set BlueTraxxas E Revo 2. 0 Front Right A Arms, for Traxxas E Revo 2. 0 Brushless Truck, Black While Traxxas may have beefed up the Revo 2. 0 suspension arms, they're still not nearly as tough as RPM versions, nor are they as light. RPM A arms weigh in 5 grams less than stock, per side, for a total weight loss of 10 grams! RPM geometry also has its advantages. The angled leading and trailing edges not only cut