Contact BRCA 1/12 Oval National control tyre donuts

Coming from Contact Tyres are new BRCA 1/12 Oval National control tyre donuts in four hardnesses. Developed with the help of Stock Oval World Champion Ben Harding the tyres are meant to offer the best tyre balance and traction available and they are available in colour-coded white 32 shore, yellow 35 shore, red 37 shore and blue 40 shore hardness. The unmounted tyres measure 26mm x 49mm in width and diameter respectively with an internal diameter of 35mm.

Source: Schumacher [racing-cars.com]