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 RATIO55Aspect Ratio55CONSTRUCTIONR (Radial)ConstructionR (Radial)LOAD/SPEED INDEX(75 W)Load/Speed-Index(75W)MARKET SEGMENTCruiser / StreetMarket SegmentCruiser / StreetMounting PositionRearPOSITIONRearPRODUCT NAMETirePositionRearProduct NameTireRIM DIAMETER17Rim Diameter17SECTION WIDTH190SIDEWALLBlackwallSTYLESport Touring| Street| TouringSidewallBlackwallStyleStreet, Sport Touring, Heavy-TouringTIRE SIZE190/55R17TREAD PATTERN/MODELBattlax T31 GTTUBE TYPETubelessTire Size190/55R17Tread Pattern/ModelBattlax T31 GTTube TypeTubelessUNITSEachUnitsEachVendor part number10558Width190