• 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
High Quality Butyl Inner Tube 28X2.125 for Bicycle
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
18x2 1/2 66 275 26x2 1/2 66 340
13x2 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
28x1 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
26x1 3/8 38 220 14x1.50/1.75 39 80
24x1 3/8 38 205 12x1.50/1.75 39 66
Note: A/V or E/V available
 for natural bicycle tube		 27x1 3/8 36 170
26x1 3/8 36 160
  24x1 3/8 36 148
22x1 3/8 36 136
20x1 3/8 36 127
26x1 1/4x1 3/8 33 148
24x1 1/4x1 3/8 33 134
20x1.35 33 105
28x1 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
High Quality Butyl Inner Tube 28X2.125 for Bicycle
High Quality Butyl Inner Tube 28X2.125 for Bicycle
High Quality Butyl Inner Tube 28X2.125 for Bicycle
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. 

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