Specification BikeType : Road Bike BikeType1 : Road Bike BikeType2 : Mountain Bike BikeType3 : Folding Bike Brand : Ultraverse BulletPoint : End Opening BulletPoint1 : Size Compatibility: This ultra-light 700C TPU inner tube fits tires from 18mm to 32mm (18c, 21c, 23c, 25c, 28c, 30c, 32c), making it ideal for a variety of road and gravel bikes. Fully compatible with both rim and disc brake systems, it performs reliably in all riding conditions. BulletPoint2 : TPU Material – Lighter, Stronger, Greener: Made from ultra-light and recyclable TPU, this inner tube is up to 70% lighter than traditional butyl rubber. It reduces rotational weight for faster acceleration and a more responsive ride. Stronger than butyl and more airtight than latex, it improves puncture resistance while staying eco-friendly. BulletPoint3 : Three Valve Options – 45mm, 65mm, 85mm Presta: Choose the perfect valve length for your wheel depth—available in 45mm, 65mm, or 85mm Presta. The TPU construction not only reduces weight but also improves responsiveness, road feel, and acceleration. Ideal for climbing, racing, and fast-paced rides where every gram counts. BulletPoint4 : Ultra-Light & Puncture Resistant – Just 50 Grams: At only ~50 grams, this TPU inner tube cuts up to 100 grams per wheel compared to traditional butyl tubes. Less rotating mass means better handling, faster climbs, and a smoother ride. Despite its light weight, the durable TPU material resists punctures and lasts longer than rubber alternatives BulletPoint5 : Easy to Install – We're Always Here to Help: Installation is simple and covered step-by-step in our video and instruction guide. Inflate slightly (max 0.5 PSI) before mounting, and never exceed 5 PSI outside the tire to avoid damage. Questions or issues? Contact us anytime—we’ll make sure you’re fully supported. BulletPoint6 : Package Incluing: 2 PCS 20 X1.5/2.1 bike inner tubes. BulletPoint7 : Tip: Before installing the inner tube, please put the inner tube into the water for inspection, if there are bubbles, it means that it has been damaged, you can contact us. Check the valve position to ensure that the installation direction is correct. Note: The inflatable inner tube should avoid puncture by sharp objects. BulletPoint8 : Practical and beautiful tire lever: printed with beautiful brand printing, groove is specially set for the air valve vent, tire lever itself has a non-slip setting; And the edge is not sharp, it is not easy to tie the tire when installing BulletPoint9 : Please check carefully for the details and size before purchas Color : Orange CompatibleTireWidthMaximum : 35 millimeters CompatibleTireWidthMinimum : 35 millimeters CompatibleWithVehicleType : Passenger Car ConstructionType : Single-layer ExternallyAssignedProductIdentifier : 4710139335039 ExternallyAssignedProductIdentifier1 : 677222547011 ExternallyAssignedProductIdentifier2 : 0677222547011 FitType : Universal Fit GpsrSafetyAttestation : 1 ImportDesignation : Imported IncludedComponents : Instructions, 2 TPU inner tubes, 2 bike levers ItemDisplayWeight : 0.95 pounds ItemName : Ultraverse TPU Road Bike Inner Tube 700 x 18-32 with 45mm Presta Valves Ultra Lightweight Tubes for Road and Gravel Bicycles - 2 Pack with Repair Patch Kit ItemPackageDimensions_Height : 12.192 centimeters ItemPackageDimensions_Length : 7.0104 centimeters ItemPackageDimensions_Width : 7.2898 centimeters ItemPackageQuantity : 1 ItemShape : PRESTA VALVE - 700C ItemTypeKeyword : bike-tubes ItemWidth : 2.35 inches LoadIndex : 42 Manufacturer : ULTRAVERSE Material : TPU MaximumPressure : 36 pounds_per_square_inch ModelName : TPU 700c X 18-32c-- valve 45 ModelNumber : TPU 700c X 18-32c- valve 45 NumberOfItems : 1 NumberOfPieces : 10 PartNumber : 204 Pattern : Solid ProductDescription : Upgrade your ride with our ultra-light TPU inner tube for road and gravel bikes. Designed to fit 700c tires ranging from 18mm to 32mm (700x18c–32c), it’s the ideal choice for cyclists seeking performance, reliability, and efficiency. Whether you ride with rim or disc brakes, this tube is compatible with both setups and fits smoothly into most modern wheel designs. Made from advanced Thermoplastic Polyurethane (TPU), this inner tube is up to 70% lighter than traditional butyl tubes—around 50 grams depending on valve size—helping reduce rotating mass, improve acceleration, and deliver a more responsive, agile ride. It also retains air better and offers improved puncture resistance, giving you more confidence on rough roads or long rides. Available in three Presta valve lengths—45mm, 65mm, and 85mm—you can match the perfect size for your rim depth without needing adapters or extenders. The compact, space-saving design makes it easy to carry multiple spares in your pocket or saddle bag, ideal for bikepacking, racing, or daily training. Installation is quick and straightforward. Our included instruction sheet and video guide walk you through every step. Just pre-inflate slightly before inserting (max 0.5 PSI) and avoid exceeding 5 PSI outside of the tire to prevent damage. We're also here to support you—if you ever need help, questions answered, or advice, don’t hesitate to contact us. Experience fewer flats, lighter wheels, and a better ride—this TPU tube is a simple upgrade that makes a serious difference. ProductSiteLaunchDate : 2025-05-12T07:00:00.000Z Seasons : Year Round SectionWidth : 2.50 inches Size : 45mm Valve SpeedRating : H Style : 26x3.5/4.0 SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable TargetGender : unisex TensileStrength : 65 pounds_per_square_inch UnspscCode : 25172500 ValveLength : 45 millimeters ValveType : Presta VehicleTireIsoMetricSizeDescription : 205/100R12 WarrantyDescription : Warranty covers defects in workmanship and materials for all parts of the product; it does not extend to damage caused by normal use, misuse, improper maintenance, or accidental wear and tear. WarrantyType : Limited WebsiteShippingWeight : 2.585 kilograms