Bridgestone Adv Radia 100/90V19 (57V) A41F Tbl Tyre FrontBridgestone Adv Radia 100 90V19 (57V) A41F Tbl Tyre Front The Battlax Adventure A41 Tires from Bridgestone were designed with the current crop of high displacement, high horsepower ADV bikes in mind. A huge emphasis was put on improving rider confidence and wet weather handling. The sea land ratio at the shoulders of both the front and rear hoops has been increased to facilitate faster water evacuation and a larger tread block has been used at the