- Model NO.: 28x2.125
- Certification: ISO, SGS
- Customized: Non-Customized
- Condition: New
- Material: Butyl
- Weight: 255g
- Thickness: 0.95-1.0mm
- Durability Mileage: ≥5000km
- Transport Package: Carton & Box or Bag & Plastic Bag
- Origin: Fujian Yong′an
- Applicable Kind: Mountain Bike
- Type: Inner Tube
- Color: Black
- Size: 28X2.125
- Valve: a/V ,E/V,Fv,D/V or Itv
- Width: 52mm
- Airtightness Duration: ≥120days
- Trademark: R-stone
- Specification: GB/T 1703-2008
- HS Code: 4013200000
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 tube
MODEL | SIZE | WIDTH (mm) |
WEIGHT (g) |
MODEL | SIZE | WIDTH (mm) |
WEIGHT (g) |
Natural bicycle tube |
26x2 1/2 | 66 | 400 | Butyl bicycle tube |
26x4.0 | 102 | 604 |
18x2Â 1/2 | 66 | 275 | 26x2Â 1/2 | 66 | 340 | ||
13x2Â 1/2 | 66 | 210 | 28x2.125 | 52 | 255 | ||
28x2.125 | 52 | 325 | 27.5x2.125 | 52 | 240 | ||
27.5x2.125 | 52 | 315 | 26x2.125 | 52 | 227 | ||
26x2.125 | 52 | 295 | 24x2.125 | 52 | 205 | ||
24x2.125 | 52 | 280 | 22x2.125 | 52 | 185 | ||
22x2.125 | 52 | 265 | 20x2.125 | 52 | 168 | ||
20x2.125 | 52 | 230 | 18x2.125 | 52 | 150 | ||
18x2.125 | 52 | 195 | 16x2.125 | 52 | 130 | ||
16x2.125 | 52 | 170 | 14x2.125 | 52 | 110 | ||
14x2.125 | 52 | 135 | 12x2.125 | 52 | 90 | ||
12x2.125 | 52 | 110 | 28x1.75/2.125 | 48 | 230 | ||
28x1.75 | 48 | 305 | 27.5x1.75/2.125 | 45 | 210 | ||
26x1.75/1.95 | 48 | 275 | 26x1.95/2.125 | 45 | 195 | ||
24x1.75/1.95 | 48 | 245 | 24x1.95/2.125 | 45 | 182 | ||
22x1.75/1.95 | 48 | 235 | 20x1.95/2.125 | 45 | 145 | ||
20x1.75/1.95 | 48 | 205 | 18x1.95/2.125 | 45 | 130 | ||
18x1.75 | 43 | 165 | 16x1.95/2.125 | 45 | 113 | ||
16x1.75 | 43 | 140 | 12x1.95/2.125 | 45 | 80 | ||
14x1.75 | 43 | 120 | 26x1.50/1.75 | 39 | 170 | ||
12x1.75 | 43 | 100 | 24x1.50/1.75 | 39 | 157 | ||
28x1Â 1/2 | 43 | 275 | 20x1.50/1.75 | 39 | 125 | ||
26x1.50 | 43 | 245 | 18x1.50/1.75 | 39 | 110 | ||
24x1.50 | 43 | 230 | 16x1.50/1.75 | 39 | 95 | ||
26x1Â 3/8 | 38 | 220 | 14x1.50/1.75 | 39 | 80 | ||
24x1Â 3/8 | 38 | 205 | 12x1.50/1.75 | 39 | 66 | ||
Note: A/V or E/V available  for natural bicycle tube |
27x1Â 3/8 | 36 | 170 | ||||
26x1Â 3/8 | 36 | 160 | |||||
 | 24x1 3/8 | 36 | 148 | ||||
22x1Â 3/8 | 36 | 136 | |||||
20x1Â 3/8 | 36 | 127 | |||||
26x1Â 1/4x1Â 3/8 | 33 | 148 | |||||
24x1Â 1/4x1Â 3/8 | 33 | 134 | |||||
20x1.35 | 33 | 105 | |||||
28x1Â 1/2 | 40 | 206 | |||||
700x35/43C | 33 | 165 | |||||
700x25/32C | 25 | 124 | |||||
700x19/23C | 22 | 109 | |||||
Note: All kinds of valve available  for butyl bicycle tube | |||||||
Our available sizes list of bicycle tube
ITEM | Natural rubber Bicycle tube |
Butyl rubber Bicycle tube |
Thickness | 1.2-1.25mm | 0.95-1.0mm |
Tensile strength at body |
≥8.0Mpa | ≥8.5Mpa |
Tensile strength at joint point |
≥4.0Mpa | ≥4.0Mpa |
Elongation at body |
≥450% | ≥450% |
Elongation at joint point |
≥250% | ≥250% |
Airtightness duration | ≥90days | ≥120days |
Deformation rate under heat tensile |
≤25% | ≤28% |
Strength of valve base to the body tube |
≥500N | ≥500N |
Durability mileage | ≥5000KM | ≥5000KM |
Our Services
1,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.Â
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