The Pirelli RA is an evolution of the successful RK Tarmac Rally Tyre and has been developed to provide reduced and more linear treadwear. The RA is designed specifically for tarmac rally use and features two longitudinal grooves which allow the tyre to be effective in both wet and dry conditions. Ideal for changeable weather or where a stage includes wet and dry sections.The two channels are on the inner section of the tyre to ensure more effective water drainage and avoid aquaplaningThe outer part of the tread has a greater contact patch area to generate more grip when corneringIncreased tread contact area for improved stability and more consistent performanceThe Pirelli RA Asphalt (Tarmac) rally tyre is available in a range of compounds to suit differing vehicles and road conditions.RA5 - Hard compoundRA7 - Medium compoundRA7+ - Soft compoundRA9 - Super Soft compoundFIA approved for stage rally use.