Product Name: High Quality Butyl Bicycle Inner Tube 28X2.125 Model NO.: 28x2.125 Condition: New Color: Black Customized: Non-Customized Type: Inner Tube Certification: ISO, SGS Applicable Kind: Mountain Bike Size: 28X2.125 Material: Butyl Valve: A/V ,E/V,FV,D/V or ITV Weight: 255g Width: 52mm Thickness: 0.95-1.0mm Airtightness Duration: ?120days Durability Mileage: ?5000km Trademark: R-stone Transport Package: Carton & Box or Woven Bag & Polybag Specification: GB/T 1703-2008 Origin: Fujian Yong'an HS Code: 4013200000 Product Description Bicycle tube is our main product and has the biggest output everyday. Our tube has a bright and pliable apperance with uniform wall thickness bcos of our good natural rubber and heat molded vulcanizing process. Its performance advantage is good thorn resistence and high tensile strength while with long air retention and good quality stability at the same time though it's latex tube bcos of our improved process. Our price offered makes it very attractive to our customers. Free samples are available to be sent to sincere buyers for quality checking against our offer.We are also supplying the below sizes with English valve or Schrader valve now. For other sizes, you could send us the sample or advise the details for our quotation.Suitable for: Road bikes, city bikes, mountain bikes, normal daily use bikes.Our available sizes list of bicycle tubeMODELSIZEWIDTH(mm)WEIGHT(g)MODELSIZEWIDTH(mm)WEIGHT(g)Naturalbicycletube26x21/266400Butylbicycletube26x4.010260418x21/26627526x21/26634013x21/26621028x2.1255225528x2.1255232527.5x2.1255224027.5x2.1255231526x2.1255222726x2.1255229524x2.1255220524x2.1255228022x2.1255218522x2.1255226520x2.1255216820x2.1255223018x2.1255215018x2.1255219516x2.1255213016x2.1255217014x2.1255211014x2.1255213512x2.125529012x2.1255211028x1.75/2.1254823028x1.754830527.5x1.75/2.1254521026x1.75/1.954827526x1.95/2.1254519524x1.75/1.954824524x1.95/2.1254518222x1.75/1.954823520x1.95/2.1254514520x1.75/1.954820518x1.95/2.1254513018x1.754316516x1.95/2.1254511316x1.754314012x1.95/2.125458014x1.754312026x1.50/1.753917012x1.754310024x1.50/1.753915728x11/24327520x1.50/1.753912526x1.504324518x1.50/1.753911024x1.504323016x1.50/1.75399526x13/83822014x1.50/1.75398024x13/83820512x1.50/1.753966Note:A/VorE/Vavailablefornaturalbicycletube27x13/83617026x13/83616024x13/83614822x13/83613620x13/83612726x11/4x13/83314824x11/4x13/83313420x1.353310528x11/240206700x35/43C33165700x25/32C25124700x19/23C22109Note:AllkindsofvalveavailableforbutylbicycletubeOur available sizes list of bicycle tubeITEMNaturalrubberBicycletubeButylrubberBicycletubeThickness1.2-1.25mm0.95-1.0mmTensilestrengthatbody≥8.0Mpa≥8.5MpaTensilestrengthatjointpoint≥4.0Mpa≥4.0MpaElongationatbody≥450%≥450%Elongationatjointpoint≥250%≥250%Airtightnessduration≥90days≥120daysDeformationrateunderheattensile≤25%≤28%Strengthofvalvebasetothebodytube≥500N≥500NDurabilitymileage≥5000KM≥5000KMOur Services1,We always use the good rawmaterial ,strict quality inspection. Make sure you purchase good product from our factory.2,Just give us your specification or pictures,we can do as per your require.3,We do reply within 24 hours ,welcome your E-mail anytime.Believe our tube will be your best chice if you really need high quality tubes.We warmly welcome sincere buyers from all over the world to contact us for long-term business under mutual benefits.