**Product Specifications:**
- **Model No.:** 3.00-17, 3.00-18
- **Main Material:** Natural Rubber
- **Valve:** TR4
- **Packaging:** 1 PC/Poly-Bag, or in Box and Cartons
- **Trademark:** RUNSTONE
- **Transport Package:** In Bag or in Box
- **Specification:** 3.00-17, 3.00-18
- **Origin:** China
- **HS Code:** 40114000
Our factory has nearly 300 employees, with a monthly production capacity of 150,000 motorcycle tires and 750,000 motorcycle tubes. We have been an experienced manufacturer since 2003, offering high-quality products made from natural rubber and butyl rubber.
We are proud to hold various quality certifications such as SONCAP, ISO9001-2008, CCC, and more. Our advanced mold equipment and tube blending machines ensure consistent quality and performance.
Fast delivery is guaranteed—within 25 days after receiving the deposit. Our valves are of TR4 type, known for their reliability and durability.
Our motorcycle tubes and tires are well received in South America, Central America, Africa, Southeast Asia, and other regions.
**Available Sizes for Motorcycle Tubes & Tires:**
| Tube / Tire | Sizes |
|-------------|-------|
| 300-8, 350-8, 400-8 | |
| 300-10, 350-10, 400-10 | |
| 300-12, 375-12, 400-12, 450-12, 500-12, 70/100-12, 90/90-12, 120/70-12, 130/70-12 | |
| 130/60-13 | |
| 225-14, 250-14, 275-14, 450-14, 70/90-14, 80/90-14, 60/90-14, 80/80-14, 90/80-14 | |
| 130/90-15 | |
| 225-16, 250-16, 325-16, 350-16, 110/90-16 | |
| 225-17, 250-17, 257-17, 300-17, 45/90-17, 50/100-17, 60/70-17, 60/80-17, 60/90-17, 70/80-17, 70/90-17, 80/80-17, 80/90-17, 90/80-17 | |
| 250-18, 275-18, 300-18, 325-18, 350-18, 410-18, 90/90-18 | |
| 400-19 | |
| 275-21, 90/90-21, 300-21 | |
**Tubeless Tires:**
| Tubeless Tires | Sizes |
|----------------|-------|
| 300-8, 350-8 | |
| 300-10, 350-10, 90/90-10 | |
| 70/100-12, 90/90-12, 120/70-12, 130/70-12 | |
| 130/60-13 | |
| 130/90-15 | |
| 110/90-16 | |
| 250-17, 275-17, 300-17, 130/80-17 | |
| 275-18, 300-18, 350-18, 360-18, 410-18 | |
| 400-19 | |
**Off-Road Tires:**
| Off-Road Tires | Sizes |
|----------------|-------|
| 130/90-15 | |
| 110/90-16 | |
| 250-17, 275-17, 300-17 | |
| 275-18, 300-18, 350-18, 410-18 | |
| 275-21 | |
**Photos of our tubes and workrooms:**
[Image 1] [Image 2] [Image 3] [Image 4] [Image 5]
**--Welcome customers come to visit our factory!**
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ZHEJIANG UNIVERSE FILTER CO.,LTD. , https://www.unifil.com