R Series Home>R Series Dry ConditionsSportinessStrong gripSuperior HandlingWet Conditions The tread features a zigzag main groove and serrated lateral grooves, forming a 3D drainage system that enhances wet traction. quick view Dry ConditionsSportinessStrong gripSuperior HandlingWet Conditions Featuring an asymmetric tread design and wide, reinforced outer shoulder blocks quick view Dry ConditionsSportinessStrong gripSuperior HandlingWet Conditions Large, high-rigidity outer tread blocks with serrated edges significantly improve lateral grip and acceleration/braking efficiency during high-speed cornering. quick view Dry ConditionsSportinessStrong gripSuperior HandlingWet Conditions With an asymmetric or unidirectional tread layout, the wide main tread blocks and powerfully styled groove patterns reflect a sense of aggressive motion. quick view Dry ConditionsSportinessStrong gripSuperior HandlingWet Conditions R63 features large outer tread blocks and a high-rigidity structure to ensure strong grip and precise steering during high-speed cornering and aggressive handling. quick view