EMC increases grip potential and improves thermal stability to make sure the tire performance remains consistent as temps go upEnhanced Micro-contact-patch Compound (EMC) technology used for both front and rear shoulder compounds3D cross grooves designed to optimize rigidity and improve contact with the roadDry grip and wear life significantly improved without sacrificing wet performanceW-rated for speeds up to 168+ mph ASPECT RATIO50Aspect Ratio50COMPOUND5LCCONSTRUCTIONR (Radial)Compound5LCConstructionR (Radial)FEATURESE-markedFeaturesE-MarkedLOAD/SPEED INDEX73WLoad/Speed-Index(73W)MARKET SEGMENTCruiser / StreetMarket SegmentCruiser / StreetMounting PositionRearPOSITIONRearPRODUCT NAMETirePositionRearProduct NameTireRIM DIAMETER17Rim Diameter17''SECTION WIDTH190SIDEWALLBlackwallSTYLEStreet Radial| SupersportSidewallBlackwallStyleStreet, HypersportTIRE SIZE190/50R17TREAD PATTERN/MODELBattlax S21TUBE TYPETubelessTire Size190/50ZR17Tread Pattern/ModelBattlax S21Tube TypeTubelessUNITSEachUnitsEachVendor part number8447Width190