**Product Specifications**
**Our Advantages**
- **Technology Support:** We provide custom solutions for special widths, thicknesses, designs, and compounds. We also develop high-tech motorcycle tubes and tires.
- **Prompt Response:** Contact us via WhatsApp, Skype, Trade Manager, WeChat, Facebook, Viber, or Email for fast communication.
- **Pre-sale Service:** With years of export experience, we ensure accurate confirmation of all order details.
- **After-sales Service:** We work with trusted logistics partners for inland, air, and sea shipping. A dedicated team follows up on all shipments and sales progress.
**FAQ**
Here are answers to some common questions from our clients:
1. **How can I start working with you as a new partner?**
When you send an inquiry, please provide the size, pattern, PR, quantity, and other details. We will then provide a quotation for you.
2. **What is the delivery time?**
- FCL Order: 25 working days
- LCL Order: 15 working days
3. **What is the minimum order quantity?**
- FCL Order: Tyres – 300 PCS/size; Tubes – 1000 PCS/size
- LCL Order: If the total amount is less than USD 5,000, an additional operation fee of USD 150 applies.
4. **Are samples free before placing an order?**
Yes, we can send you free samples by freight collect. All shipping costs will be refunded once your order is confirmed.
Model No.: 275/300-21
Valve: Tr4
Rubber Content: 30%
Raw Material: Lab Tested
Tensile Strength: 9.0 MPa
Elongation Rate: 500%
Trademark: V GOOD KINGWORLD or OEM
Specification: 275/300-21
Origin: China
HS Code: 4013909
We offer high-quality natural and butyl rubber motorcycle tubes in the size 275/300-21, featuring a TR4 valve for reliable performance. These inner tubes are ideal for motorcycles with a tire size of 2.75/3.00-21. In addition to this model, we also supply tubes in sizes such as 275/300-14, 275/300-17, and 275/300-18, catering to a wide range of motorcycle needs.
**Company Introduction**
Qingdao Kingworld Flow Control Co., Ltd was founded in 2009 in Qingdao, China—a city known for its beautiful coastline and thriving industry. As a leading manufacturer of motorcycle tires and tubes, our company has built a strong reputation globally. Our well-known brands, "V GOOD," "KINGWORLD," and "JINWODE," are exported to over 30 countries around the world. With a commitment to quality and continuous improvement, Kingworld has become a trusted name in the industry.
Our products meet international quality standards, and we hold certifications including ISO 9001:2008, CCC (China), DOT (USA), and SONCAP (Nigeria). Our core values—client first, quality first, and price first—guide every aspect of our operations.
**Payment Terms**
Trade Terms | FOB, CIF, CFR (CNF) | |
Payment Terms | TT | 30% deposit before production, 70% balance before loading. |
Western Union / PayPal / MoneyGram | LCL (small order) | |
L/C At Sight | 30% TT + 70% L/C | |
100% L/C |
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