Brand New/Never Used/Original Packaging

• This package includes 2 silicone tires (1 pair).
• The tires are formed from a special formula silicone compound to create very aggressive sticking silicone tires made specially for Scalextric, Carrera, Ninco, SCX and Artin tracks.
• CB21XF 21.35mm OD x  12.44mm Width are made for the 1:32 Carrera Porsche 917K stock (plastic) wheels.

Multiple silicone compounds are available - this is the FIRM compound (part number:  CA21F).