Specification BikeType : Road Bike Brand : IRC BulletPoint1 : Impressive joint and replacement valve strength; for replacement valve Stem Types see above BulletPoint2 : Two to three times thicker than standard tubes, IRC heavy-duty tubes are incredibly durable, abrasion-resistant and feature great impact-absorption BulletPoint3 : High quality Japanese tubes meet or exceed O;E;M; quality standards BulletPoint4 : Made of natural rubber BulletPoint5 : Each Tube is Packed in the Original Conti Retail Box - These are not Bulk Tubes. Color : black CompatibleTireWidthMaximum : 0.98 inches CompatibleTireWidthMinimum : 0.75 inches ExternallyAssignedProductIdentifier1 : 751738549797 ExternallyAssignedProductIdentifier2 : 0751738549797 GpsrSafetyAttestation : 1 ImportDesignation : Imported IncludedComponents : Pack of 4 Bike Tubes ItemName : IRC Tube 110/100-18 Heavy Duty ItemPackageDimensions_Height : 31.8008 centimeters ItemPackageDimensions_Length : 8.4074 centimeters ItemPackageDimensions_Width : 16.4084 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : bike-tubes Manufacturer : IRC Material : Butyl Rubber ModelName : Heavy Duty Tube - 4.50/5.10-18 - TR-4 St PartNumber : T20057 ProductDescription : IRC Heavy Duty tubes are designed and constructed to offer great performance in the most extreme motorcycle riding conditions. IRC heavy duty tubes are made 3 mm thick and puncture resistant, making them durable to better handle extreme and aggressive use. For maximum performance and durability, IRC tubes are made of natural rubber. Heavy duty tubes are 3mm thick and puncture resistant. High quality Japanese tubes meet or exceed O.E.M. quality standards. Made of natural rubber ProductSiteLaunchDate : 2007-09-08T22:57:21.000-00:00 Seasons : Year Round SectionWidth : 110 millimeters Size : 700x20-25 - 60mm Presta Valve SupplierDeclaredDgHzRegulation : not_applicable UnspscCode : 25172500 ValveType : Presta WarrantyDescription : Standard WebsiteShippingWeight : 1.751 kilograms