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 RATIO70Aspect Ratio70CONSTRUCTIONR (Radial)ConstructionR (Radial)LOAD/SPEED INDEX(59W)Load/Speed-Index(59W)MARKET SEGMENTCruiser / StreetMarket SegmentCruiser / StreetMounting PositionFrontPOSITIONFrontPRODUCT NAMETirePositionFrontProduct NameTireRIM DIAMETER18Rim Diameter18''SECTION WIDTH120SIDEWALLBlackwallSTYLEHeavy-Touring| Sport Touring| StreetSidewallBlackwallStyleStreet, Sport Touring, Heavy-TouringTIRE SIZE120/70R18TREAD PATTERN/MODELBattlax T31 GTTUBE TYPETubelessTire Size120/70R18Tread Pattern/ModelBattlax T31 GTTube TypeTubelessUNITSEachUnitsEachVendor part number10541Width120