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- Model NO.: 3.50-8
- Certification: ISO, SGS
- Condition: New
- Material: Natural Rubber
- Weight: 400g
- Thickness: 1.3-1.4mm
- Rubber Content: ≥40%
- Transport Package: Carton & Box or Bag & Plastic Bag
- Origin: Fujian Yong’an
- Type: Inner Tube
- Customized: Non-Customized
- Size: 3.50-8
- Valve: Js87c
- Width: 102mm
- Airtightness Duration: ≥90 days
- Trademark: R-stone
- Specification: GB7036.2-2007
- HS Code: 4013909000

Motorcycle inner tubes are one of our most popular products, and we have been continuously improving them over the years. Our natural rubber inner tubes feature a smooth and flexible appearance with uniform wall thickness, thanks to our advanced heat-molded vulcanizing process. These tubes offer excellent puncture resistance, high tensile strength, and long air retention, making them ideal for high-speed riding. They also reduce rolling resistance, helping you save fuel.
Our pricing is very competitive, and we are happy to provide free samples to genuine buyers for quality verification. We currently supply motorcycle tubes with a metal Schrader valve. If you need other sizes, feel free to send us a sample or provide detailed specifications for a custom quote.
Below is our full list of available motorcycle tube sizes:
SIZE |
WIDTH (mm) |
WEIGHT (g) |
NATURAL TUBE |
BUTYL TUBE |
2.00/2.25-14 |
60 |
275 |
240 |
2.50-14 |
72 |
335 |
285 |
2.75-14 |
79 |
410 |
325 |
3.00-16 |
87 |
485 |
400 |
3.25-16 |
93 |
545 |
440 |
3.50-16 |
102 |
635 |
485 |
110/90-16 |
102 |
635 |
485 |
2.00/2.25-17 |
60 |
330 |
280 |
2.50-17 |
72 |
400 |
340 |
2.75-17 |
79 |
470 |
385 |
3.00-17 |
87 |
520 |
430 |
3.25-17 |
93 |
565 |
470 |
3.50/4.10-17 |
102 |
680 |
565 |
2.50-18 |
72 |
430 |
360 |
2.75-18 |
79 |
500 |
410 |
3.00-18 |
87 |
565 |
460 |
3.25-18 |
93 |
595 |
495 |
3.50/4.10-18 |
102 |
720 |
600 |
3.00-19 |
87 |
570 |
485 |
2.75-21 |
79 |
560 |
465 |
3.00-8 |
79 |
230 |
190 |
3.50-8 |
102 |
400 |
275 |
4.00-8 |
120 |
460 |
330 |
3.00-10 |
87 |
330 |
260 |
3.50-10 |
102 |
405 |
340 |
3.00-12 |
79 |
300 |
275 |
4.00-12 |
125 |
645 |
460 |
4.50-12 |
130 |
715 |
485 |
5.00-12 |
140 |
820 |
520 |
Main Index of Our Motorcycle Tube
ITEM |
Natural Rubber Motorcycle Tube |
Butyl Rubber Motorcycle Tube |
Thickness |
1.3-1.4mm |
1.2-1.3mm |
Tensile Strength at Body |
≥7.0MPa |
≥8.5MPa |
Tensile Strength at Joint Point |
≥4.0MPa |
≥4.0MPa |
Elongation at Body |
≥400% |
≥450% |
Elongation at Joint Point |
≥250% |
≥250% |
Airtightness Duration |
≥90 days |
≥120 days |
Deformation Rate under Heat Tensile |
≤25% |
≤28% |
Strength of Valve Base to the Body Tube |
≥600N |
≥500N |
Deformation Rate after Aging |
≤2% |
≤2% |
Our Services
1. We always use high-quality raw materials and perform strict quality inspections to ensure that you receive top-notch products from our factory.
2. Just provide us with your specifications or pictures, and we can customize the product according to your needs.
3. We respond within 24 hours and welcome your inquiries at any time.
We believe our tubes will be your best choice if you're looking for high-quality motorcycle inner tubes. We warmly welcome sincere buyers from around the world to contact us for long-term business opportunities based on mutual benefits.Interior Modification-Land Cruiser
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Changzhou Saina Automobile Industry Co., Ltd , https://www.jsczsaina.com