Optimized mono-spiral belt (MSB) construction provides dynamic handling response with a light, linear feel and superb line holding abilityTread pattern with deco groove is optimized to ensure confidence-inspiring wet weather performance with a bold lookThe T31 replaces the very successful T30 Evo as the next evolution in Bridgestone’s long line of sport-touring tires(W)-rated for speeds of 168+ mph ASPECT RATIO60Aspect Ratio60CONSTRUCTIONR (Radial)ConstructionR (Radial)LOAD/SPEED INDEX(70W)Load/Speed-Index(70W)MARKET SEGMENTCruiser / StreetMarket SegmentCruiser / StreetMounting PositionRearPOSITIONRearPRODUCT NAMETirePositionRearProduct NameTireRIM DIAMETER18Rim Diameter18SECTION WIDTH160SIDEWALLBlackwallSTYLESport Touring| Street| TouringSidewallBlackwallStyleStreet, Sport TouringTIRE SIZE160/60R18TREAD PATTERN/MODELBattlax T31TUBE TYPETubelessTire Size160/60R18Tread Pattern/ModelBattlax T31Tube TypeTubelessUNITSEachUnitsEachVendor part number10546Width160