This is a replacement CENTER ONE-WAY PULLEY 20T For SC10 4x4

6mm ONE-WAY bearing
CNC Hard Anodized PULLEY 20T

One CENTER ONE-WAY PULLEY 20T

Removing the front differential from your car and replacing it with
the front one-way assembly.
By installing this Center One-Way Pulley onto your SC10 4x4,
the default full-time 4WD setup becomes a part-time 4WD setup. Braking forces are applied to the rear wheels only, shifting the machines handling characteristics toward over-steering, which is more suitable for courses need more steering.
This item is not recommended in R/C race tracks that have heavy braking areas as the Truck will tend to over steer or spin out.