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 RATIO80Aspect Ratio80CONSTRUCTIONR (Radial)ConstructionR (Radial)LOAD/SPEED INDEX(58W)Load/Speed-Index(58W)MARKET SEGMENTCruiser / StreetMarket SegmentCruiser / StreetMounting PositionFrontPOSITIONFrontPRODUCT NAMETirePositionFrontProduct NameTireRIM DIAMETER18Rim Diameter18SECTION WIDTH110SIDEWALLBlackwallSTYLESport Touring| StreetSidewallBlackwallStyleStreet, Sport TouringTIRE SIZE110/80ZR18TREAD PATTERN/MODELBattlax T31TUBE TYPETubelessTire Size110/80ZR18Tread Pattern/ModelBattlax T31Tube TypeTubelessUNITSEachUnitsEachVendor part number10540Width110