You’re mid-race or deep in the trail, and boom, your rear tyre gives out. Nothing kills momentum like a flat. If you’re still running stock or lightweight tubes, you're leaving your ride, and your results, wide open to failure.
Enter the Michelin 19MER Heavy Duty MX Tube. Built for torque-loaded electric bikes and brutal terrain, this medium/heavy-duty tube gives you race-proven puncture resistance and unbeatable peace of mind. It's not just another tube, it's flat insurance for your rear wheel.
Pick your size – Fits rear tyres 100/90-19 to 120/80-19
Install with ease – Flexible, durable, and ready for battle
Ride with confidence – Hit the track or trail without second-guessing your setup
Another weekend ride cut short by a pinch flat
Costly tyre or rim damage from repeated blowouts
A critical race or ride lost due to cheap equipment
Confidence in every corner and landing
No more backups or spares clogging your pack
Your electric bike performs like it was meant to, no weak links
Don’t let your tube be your bike’s weakest part.
Grab the Michelin 19MER from eMotoX Sports today, engineered for elite performance, trusted by top riders, and fully compatible with high-performance e-MX builds.
➡️ Order now. Ride flat-free. Never look back.
When it comes to quality and durability, Michelin is a brand that stands out, and the Michelin Medium Heavy Duty MX Tube 19MER is no exception. Designed for motocross, enduro, and off-road riding, this reinforced inner tube provides superior puncture resistance and long-lasting performance in even the toughest terrains.
✅ Medium Heavy-Duty Construction – With a 2.5mm thick rubber wall, this tube offers excellent puncture and pinch-flat resistance.
✅ Optimised for Motocross & Enduro – Engineered for dirt bikes, MX, and off-road motorcycles, ensuring reliable performance.
✅ Durable Butyl Rubber Material – Provides enhanced air retention, reducing the need for frequent re-inflation.
✅ TR4 Valve (Straight Metal Stem) – Equipped with a TR4 metal valve, ensuring secure air retention and easy inflation.
✅ Versatile Fit – Compatible with a variety of 19-inch motorcycle tires.
Specification | Details |
---|---|
Brand | Michelin |
Model | 19MER Medium/Heavy Duty MX Tube |
Tube Type | Butyl Inner Tube |
Tyre Compatibility | 100/90-19 to 120/80-19 |
Wheel Size | 19 Inch (Rear) |
Material | High-grade Butyl Rubber |
Wall Thickness | Medium/Heavy-Duty (approx. 2.5 – 3 mm) |
Valve Type | TR-4 (Straight Metal Valve Stem) |
Use Case | Motocross, Enduro, Off-road |
Puncture Resistance | Enhanced (Heavy-Duty grade) |
Temperature Resilience | High (suitable for high-heat and heavy loads) |
Weight | Approx. 850g – 1.1kg (varies slightly by batch) |
Country of Manufacture | EU (exact country may vary by distribution) |
The Michelin 19MER Medium/Heavy Duty Tube is engineered for rear wheel setups in off-road motorcycles, offering robust performance for both recreational and competitive use. It's a trusted choice for riders who push the limits in rugged environments.
Motocross (MX): Intense track use with high-speed jumps, berms, and rhythm sections.
Enduro & Trail Riding: Demanding trails with rocks, roots, and unpredictable surfaces.
Hard Enduro & Hare Scrambles: Technical riding where puncture protection is critical.
Off-Road Adventure Touring: Riders seeking extra durability over standard-duty tubes.
Fits rear tyres ranging from 100/90-19 to 120/80-19 – check your tyre sidewall for compatibility.
Road-only use (tube is optimised for off-road dynamics).
Front wheel applications (this model is rear-specific).
Ultra-lightweight racing where weight savings outweigh durability needs.
Brand | Popular Model | Tyre Size | Fitment Position |
---|---|---|---|
KTM | 250 SX-F, 450 SX-F | 110/90-19, 120/80-19 | Rear |
Yamaha | YZ250F, YZ450F | 110/90-19, 120/80-19 | Rear |
Honda | CRF250R, CRF450R | 100/90-19, 110/90-19 | Rear |
Kawasaki | KX250, KX450 | 110/90-19 | Rear |
Suzuki | RM-Z250, RM-Z450 | 100/90-19, 110/90-19 | Rear |
GasGas | MC 250F, MC 450F | 110/90-19, 120/80-19 | Rear |
Beta | RR 4T 350, 390, 430 | 110/90-19 | Rear |
Husqvarna | FC 250, FC 450 | 110/90-19, 120/80-19 | Rear |
Sur-Ron | Ultra Bee (w/ 19" rear mod) | 100/90-19, 110/90-19* | Rear (Modified) |
Talaria | MX4 / Sting R (19" wheel upgrade) | 100/90-19* | Rear (Upgraded) |
Stark | VARG | 110/90-19, 120/80-19 | Rear |
🛠️ Fitment for Sur-Ron and Talaria assumes 19” rear wheel conversion or upgraded swing-arm setups.
✅ Rear Wheel Only: This tube is designed specifically for 19” rear wheels and is not suitable for front tyre applications.
⚙️ Tyre Size Compatibility: Supports a wide range of rear motocross tyre sizes:
100/90-19
110/90-19
110/80-19
120/80-19
Legacy size 4.00-19
⚡ Electric Bike Fitment:
Sur-Ron Ultra Bee and Talaria MX4 / Sting R require a 19” rear wheel conversion kit or swingarm upgrade to fit this tube.
Stark VARG is fully compatible out-of-the-box with 110/90-19 and 120/80-19 rear tyres.
🔍 Always Check Your Tyre Sidewall: Confirm your current tyre size and rim dimensions before purchase to ensure correct fitment.
🏁 High-Performance Use: Ideal for motocross, enduro, trail, and hard enduro riding. Offers enhanced puncture protection and sidewall support for demanding conditions.
🛠️ Valve Stem: Features a TR-4 metal valve stem, compatible with most MX and enduro wheel assemblies.
Item | Quantity | Details |
---|---|---|
Michelin Medium/Heavy Duty Tube | 1x | Size 19MER – Fits 100/90-19 to 120/80-19 rear tyres |
Valve Type | 1x | TR-4 Straight Metal Valve Stem |
Original Manufacturer Packaging | 1x | Sealed for authenticity and protection |
Fitment & Inflation Instructions | 1x (Printed) | Basic guidance on installation and pressure settings |
🛠️ Tyre, wheel, and tools shown in images are not included.
Category | Rating | Comment |
---|---|---|
Durability | ⭐⭐⭐⭐⭐ (5.0) | Reinforced butyl construction handles rugged terrain and aggressive riding. |
Puncture Resistance | ⭐⭐⭐⭐⭐ (5.0) | Excellent protection from pinch flats and sharp object punctures. |
Ease of Installation | ⭐⭐⭐⭐☆ (4.5) | TR-4 metal valve stem aligns cleanly; flexible enough for smooth fitting. |
Ride Quality | ⭐⭐⭐⭐☆ (4.6) | Balances support and compliance—no harsh feel despite added thickness. |
Value for Money | ⭐⭐⭐⭐⭐ (5.0) | Significant performance upgrade over OEM tubes with long service life. |
Electric Bike Fitment | ⭐⭐⭐⭐☆ (4.7) | Supports high torque output when paired with 19” rear conversions. |
Overall Performance | ⭐⭐⭐⭐⭐ (4.9) | A top-tier choice for both petrol and electric off-road motorcycles. |
Use Case | Description |
---|---|
Motocross Racing (MX) | Designed for high-impact, high-speed track environments with jumps and berms. |
Enduro & Hard Enduro | Excellent for technical terrain with rocks, roots, and extreme obstacles. |
Trail & Off-Road Riding | Durable enough for long-distance trail rides across mixed surfaces. |
Electric MX Bikes | Handles sudden torque bursts from bikes like Stark VARG and Sur-Ron Ultra Bee.* |
Training & Practice Days | Reduces risk of flats during repeated session riding or amateur events. |
Riders Upgrading OEM Tubes | Ideal replacement for stock tubes prone to pinch flats or leaks. |
Heavy Riders or High Load Setups | Reinforced construction supports added weight and aggressive compression. |
⚠️ Electric models must be equipped with a 19” rear wheel setup.
Diagram: Line graph showing Michelin Tube 19MFR upgrade
Here's a line graph showing how the Michelin 19MER compares to other inner tube types across five key performance categories:
Puncture Resistance
Air Retention
Ease of Installation
Durability
Value for Money
The Michelin 19MER consistently scores near the top, especially in durability and value, making it a strong all-around performer for both petrol and electric MX riders. Let me know if you’d like to highlight this on your product page or turn it into a downloadable comparison sheet.
Diagram: Radar graph showing Michelin Tube 19MFR upgrade
Here is a radar chart comparing the Michelin 19MER against other inner tube types across five critical performance factors:
Puncture Resistance
Air Retention
Ease of Installation
Durability
Value for Money
The Michelin 19MER stands out with excellent balance—offering high durability and puncture resistance, solid air retention, and strong value—without major trade-offs in install ease. Let me know if you'd like this adapted into a web-friendly image or infographic for your product page.
The Michelin 19MER Medium/Heavy Duty Tube delivers a rare blend of strength, performance, and versatility that places it at the top of its class. Whether you're racing motocross, tackling technical enduro trails, or upgrading your electric MX build, this tube provides a dependable solution to one of off-road riding’s most common failure points: flats.
Key Advantages:
💪 Superior puncture resistance without the excessive weight of ultra-heavy-duty tubes
⚖️ Balanced ride feel—stable in corners, compliant over rough terrain
⚡ Torque-ready for electric bikes like Sur-Ron and Stark VARG with 19" rear wheels
💸 Exceptional value as an upgrade over OEM and standard tubes
🏁 Race-proven reliability trusted by competitive and recreational riders alike
If you're looking for a single inner tube to cover MX, enduro, and e-MX needs—Michelin 19MER is the clear winner.
Tyre Size | Tyre Type | Fitment Position | Notes |
---|---|---|---|
100/90-19 | Rear MX/Enduro | Rear | Common on 250cc bikes |
110/90-19 | Rear MX/Enduro | Rear | Standard fitment for many 250–450cc models |
110/80-19 | Rear Trail/Enduro | Rear | Slightly lower profile; ensure rim match |
120/80-19 | Rear MX/Enduro | Rear | High-volume rear tyres (esp. electric MX) |
4.00-19 | Vintage MX/Enduro | Rear | Classic size; verify bead profile |
✅ Compatible with all 19" rear wheels supporting tyres in the 100/90 to 120/80 range.
⚠️ Ensure that the inner tube size matches the tyre width and aspect ratio for safe inflation.
🔧 Always inspect for pinch risks during install—use talc powder and avoid over-stretching.
🛠️ Best paired with Michelin StarCross, Dunlop Geomax, Maxxis Maxxcross, or similar competition-grade rear tyres.
This tube fits rear tyres sized 100/90-19, 110/90-19, 110/80-19, and 120/80-19. It’s compatible with most 19” rear motocross and enduro wheels.
Yes—with the correct 19" rear wheel conversion, it fits models like the Sur-Ron Ultra Bee, Talaria MX4, and Stark VARG. Ensure your bike is equipped with a compatible tyre size and rim.
The tube uses a TR-4 straight metal valve stem, designed for high-pressure retention and rugged off-road use.
Yes. While it is thicker than standard tubes, it remains flexible and fits easily with proper tyre tools and lubricant or talc. Always check for pinch points during installation.
The Michelin 19MER offers similar puncture resistance but weighs less and delivers a more comfortable ride. It’s ideal for riders who want a balance between protection and responsiveness.
Absolutely. It’s a popular choice in amateur and professional motocross and enduro racing, offering reliable performance under pressure.
While not strictly required, rim locks are recommended for high-torque applications or lower tyre pressures to prevent tube slip and valve damage.