This is the DuraTrax C3811 1/10 Closed Cell Foam Insert 4WD Rear (2) DTXC3811 from DuraTrax.
- Closed cell foam construction
- Provides support and firmness between the wheel and tire
- (2) Rear Tire Foam Inserts for 1/10 scale 4WD Buggies
Diameter: 2.6" (67mm)
Width: 1.6" (40mm)