| Item | Specification |
|---|---|
| Product Name | Gravel Bike Inner Tube |
| Compatible Tire Size | 700×35–45C |
| Wheel Size | 700C (ETRTO 622) |
| Material | High-Performance Thermoplastic Polyurethane (TPU) |
| Weight | Approx. 46g (±5g) |
| Valve Type | Presta/FV |
| Valve Length | 45mm / 65mm |
| Colors | Custom Available |
| Applications | All-Road Riding, Endurance Bikes |
| OEM & Packaging | Supported |
Product Overview
Designed for today's performance gravel bikes, this TPU inner tube combines lightweight construction, reliable air retention, and compact portability in one practical package.
Compatible with 700×35–45C tires, it's well suited for riders looking to improve efficiency on gravel roads while carrying less weight. It's also an excellent choice for bicycle brands, distributors, and OEM projects.
It's a simple upgrade for cyclists who want reliable performance without carrying extra weight.
Features
Lightweight Performance
Weighing only 46g ±5g, it helps reduce wheel weight for quicker acceleration and a more responsive ride.
Built for 35–45C Gravel Tires
Designed specifically for modern gravel bikes using medium-width tires, offering an excellent fit across a wide range of riding styles.
High-Quality TPU Material
Premium TPU construction provides dependable air retention, excellent flexibility, and everyday puncture resistance.
Applications
Endurance Rides
Reliable performance for long-distance events where consistency is just as important as low weight.
Daily Gravel Riding
A practical upgrade for regular gravel training and mixed-surface rides.
Spare Tube
Compact enough to carry on every ride, providing peace of mind without adding bulk.
Why Choose This Gravel Bike Inner Tube?
Unlike traditional butyl tubes, this TPU gravel tube is designed to deliver practical advantages where riders notice them most.
Lower rotating weight helps the bike feel quicker under acceleration, while the compact folded size leaves more room for tools and essentials.
Whether you're preparing for race day or simply upgrading your everyday setup, it's a lightweight solution built for modern gravel riding.
Why Partner with TUBENOX?
From private-label projects to large-volume supply, TUBENOX provides lightweight TPU inner tubes trusted by bicycle brands, distributors, and wholesalers worldwide.
✓ OEM & ODM Manufacturing
✓ Private Label Solutions
✓ Custom Packaging & Branding
✓ Fast Sample Development
✓ Stable Production Capacity
✓ Global Wholesale Supply
Professional TPU tube manufacturer
Focused on lightweight TPU inner tubes for road, gravel, MTB, and BMX bikes.
Flexible OEM Solutions
From prototypes to full production, we support projects of all sizes.
Reliable Quality
Each production batch is carefully inspected to ensure consistent performance.
Fast Response
Our team responds quickly to technical questions, samples, and quotations.
Free Sample
We provide free samples for customer to test.
Worldwide Supply
Serving bicycle brands and distributors across Europe, North America, and other global markets.
OEM & ODM Solutions
TUBENOX supplies TPU bicycle inner tubes to cycling brands, distributors, wholesalers, and retailers worldwide.
We provide:
1. OEM & ODM manufacturing
2. Private label packaging
3. Custom logo printing
4. Multiple valve length options
5. Custom tube colors
6. Fast sampling and stable production
Product Customization
Tailored sizes, valve options, colors, and specifications to fit your product line.
Custom Retail Box Design
Professional packaging designed to strengthen your brand identity.
Private Label Packaging
Custom logo printing and private label solutions for your business.
Bulk Supply Available
Reliable manufacturing with stable lead times for wholesale and OEM orders.
Our Service Processes
Please be free to let us know your requirements
Pre-sales Consultancy
1
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Sample Approving
2
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Mass Order confirmation
3
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Order Production
4
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Multi-Channel Shipping
5
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After-sale Services
6
Frequently Asked Questions
1. What tire sizes does this tube fit?
This model is designed for 700×35–45C gravel tires and fits most modern 700C gravel wheelsets.
2. How much does it weigh?
The tube weighs 46g ±5g, making it much lighter than a traditional butyl inner tube.
3. Is it suitable for gravel racing?
Yes. Its lightweight construction makes it a great choice for gravel races, endurance events, and fast mixed-surface riding.
4. Can it be used as a spare tube?
Absolutely. Its compact folded size makes it easy to carry in a saddle bag, frame bag, or jersey pocket.
5. What valve does it use?
This version comes with a 65mm Presta (FV65) valve, compatible with most gravel wheelsets.
6. Is TPU more durable than butyl?
TPU offers excellent flexibility, reliable air retention, and improved resistance to everyday abrasion while significantly reducing weight.
7. Do you support OEM customization?
Yes. We offer custom logos, packaging, valve options, colors, and private-label manufacturing.
8. Can I request samples before placing a bulk order?
Yes. Sample orders are available so you can evaluate product quality before moving into mass production.
Ready to Source High-Performance Gravel Bike Inner Tubes?
Whether you're developing a new product line or looking for a reliable OEM manufacturing partner, TUBENOX provides lightweight TPU inner tubes designed for modern gravel cycling.
Contact us today to request samples, discuss customization options, or receive a quotation for your next gravel bike inner tube project.
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