Heavy-Duty Motorcycle Inner Tube with TR-4 Valve Stem

The CST Premium Inner Tube offers reliable performance for small motorcycles, scooters, and pit bikes running 2.50-17, 2.75-17, or 70/90-17 tyres. Made from durable butyl rubber, it delivers improved air retention and puncture resistance, making it a dependable replacement or upgrade over OEM tubes.

Upgrade your ride with the CST Premium Inner Tube 2.50/2.75-17 TR4, engineered for superior air retention, durability, and puncture resistance. Made from high-density butyl rubber, this inner tube provides long-lasting performance for motorcycles, dirt bikes, and other vehicles using 2.50-17, 2.75-17, and 70/90-17 tyres. Whether you’re tackling rough trails or cruising on the road, CST tubes keep your tyres inflated and protected.

CST Part Number: TU8708-TR4

Key Features:

✅ Premium Butyl Rubber Construction – Offers exceptional air retention, flexibility, and durability, reducing the need for frequent reinflation.

✅ Compatible with Multiple Tyre Sizes – Fits 2.50-17, 2.75-17, and 70/90-17 motorcycle tyres, ensuring a secure and precise fit for various bikes.

✅ Heavy-Duty Puncture Protection – Designed to withstand rough terrains, debris, and high-impact riding conditions, minimizing the risk of flats and unexpected blowouts.

✅ TR4 Valve Stem for Easy Inflation – Features a straight metal TR4 valve, ensuring a secure seal and convenient inflation for motorcycles and dirt bikes.

✅ Standard & Heavy-Duty Options Available – Choose between standard or heavy-duty thickness to suit your riding style, whether for daily commuting or off-road adventures.

⚙️ Technical Table:

👨🔧 Why Choose CST Inner Tubes?

CST is a trusted brand worldwide, known for producing high-performance motorcycle tyres and inner tubes. With precision engineering and premium materials, CST inner tubes last longer and perform better than standard tubes, giving riders peace of mind on every journey.

📦 What’s Included:

• 1x CST Premium Butyl Inner Tube (2.50/2.75-17, 70/90-17)

• TR-4 Schrader Valve (straight, metal)

• Folded and boxed for easy storage

⭐ Performance Table

🏍️ Compatibility Table – CST Premium Inner Tube 2.50/2.75-17 (70/90-17)

🔧 Easy to install, built to last!

Boost your bike’s performance and reliability with the CST Premium Inner Tube. Order now for a smooth, worry-free ride! 🚀🏍️

⚙️📈 Inner Tube vs. Performance

Diagram: Line graph showing CST Inner Tube 2.50/2.75-17 70/90-17 upgrade

Here is the line graph comparing the performance of the CST Premium Inner Tube with Michelin, IRC, and Kenda 17" heavy-duty tubes across key performance metrics.

Diagram: Other Brands Inner Tubes v CST Inner Tube 2.50/2.75-17 70/90-17 upgrade

Here’s the radar graph comparing CST, Michelin, IRC, and Kenda 17” heavy-duty inner tubes across five key performance metrics. This visual gives a clear at-a-glance comparison of strengths and trade-offs between each brand.

⭐ Performance Comparison – 17” Heavy-Duty Inner Tubes

🧠 Key Takeaways:

• CST offers excellent all-round value — great for pit bikes, scooters, and light MX use, especially for Supermoto-style conversions on Sur-Ron and Talaria.

• Michelin stands out for extreme off-road performance, but it's heavier and pricier.

• IRC balances strength and value for trail/enduro use.

• Kenda is lightweight and budget-friendly but less durable under aggressive riding.

🏁 Verdict – Should You Buy the CST Premium Inner Tube?

If you're looking for a reliable, well-priced, and durable 17” inner tube for your pit bike, scooter, or Sur-Ron/Talaria with a 17” front wheel, the CST Premium Inner Tube is a top choice.

✅ It offers excellent value for money, with strong puncture resistance and high air retention thanks to its quality butyl construction.

✅ The TR-4 metal Schrader valve ensures a secure fit and longevity, even under pressure or in rugged terrain.

While not as ultra-heavy-duty as Michelin UHD or IRC enduro tubes, CST strikes a perfect balance between performance and affordability for everyday riders, Supermoto setups, and weekend warriors.

In short:
Great tube. Great price. Solid protection. Perfect for your 17” setups.

❓ Frequently Asked Questions (FAQ)

🛞 Q: What tyre sizes is this inner tube compatible with?

A: This CST tube is compatible with 2.50-17, 2.75-17, and 70/90-17 motorcycle tyres, commonly found on pit bikes, scooters, mopeds, and small off-road bikes.

🔩 Q: What type of valve does it use?

A: It features a TR-4 straight metal Schrader valve, which fits standard 8.3 mm valve holes and is ideal for 17" motorcycle rims.

🏍️ Q: Will this tube fit a Sur-Ron or Talaria with 17” wheels?

A: Yes! If your Sur-Ron Light Bee X or Talaria MX4/R has been converted to a 17” front wheel using a 70/90-17 tyre, this tube is a direct fit.

🧱 Q: Is this tube heavy-duty or ultra-heavy-duty?

A: It’s a standard to premium-duty butyl tube — thicker and more durable than stock/OEM tubes, but not as thick as ultra-heavy-duty (e.g., Michelin UHD)

🧰 Q: Can this be used for both front and rear tyres?

A: This tube is primarily used in front applications on smaller bikes, but it can be used in the rear if the tyre size and valve angle are compatible.

📦 Q: What’s included in the box?

A: You’ll receive one (1) CST Premium Inner Tube sized for 2.50/2.75-17 or 70/90-17 tyres, pre-fitted with a TR-4 valve, boxed and ready for installation.