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(69W)Load/Speed-Index(69W)MARKET SEGMENTCruiser / StreetMarket SegmentCruiser / StreetMounting PositionRearPOSITIONRearPRODUCT NAMETirePositionRearProduct NameTireRIM DIAMETER17Rim Diameter17SECTION WIDTH150SIDEWALLBlackwallSTYLESport Touring| Street| TouringSidewallBlackwallStyleStreet, Sport TouringTIRE SIZE150/70R17TREAD PATTERN/MODELBattlax T31TUBE TYPETubelessTire Size150/70R17Tread Pattern/ModelBattlax T31Tube TypeTubelessUNITSEachUnitsEachVendor part number10544Width150