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(2-Pack) AR-PRO 3.00/3.50-12" Dirt Bike Inner Tubes with TR4 Valve Stem - 80/200-12 Motocross Bike Tire Replacement Inner Tubes Compatible with Honda CRF50/XR70, Yamaha TTR 90/100, and More

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Availability: In Stock.
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Arrives Wednesday, Sep 2
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Size: 3.00/3.50-12"


Features

  • UNIVERSAL FIT 3.00/3.50-12" DIRT BIKE INNER TUBES - 2-pack inner tubes fit most 12-inch dirt bike tires that are 3.00 inches to 3.50 inches wide. This is the same size as the 3.00-12 tube and is a highly compatible fit for 80/100-12 dirt bike tube. Most tires for 90cc, 110cc, and 125cc dirt bikes use this size of high-quality inner tubes
  • COMPATIBLE REPLACEMENT INNER TUBES FOR MOTOCROSS, DIRT BIKES, AND PIT BIKES - Several brands and models of dirt bikes and pit bikes that are highly compatible with these inner tubes include Honda CRF50, Honda XR70, Yamaha TTR 90, Yamaha TTR 100, Suzuki DRZ 100, and TAOTAO bikes. These inner tubes are also suitable as a Kawasaki KLX 110 rear tube and as a Yamaha PW80 rear tire tube.
  • TR4 VALVE STEM FOR HIGH TORQUE APPLICATIONS - You'll know that an inner tube is made for your specific need when it has the right valve stem. TR4 straight valve stems have threads all throughout their lengths with highly secured nuts and washers to lock them in place. It is perfect for low psi tires that require high torque like dirt and motocross bikes and ATV/UTV vehicles.
  • ENJOY A COMFORTABLE WHEREVER YOU GO - Bumpy, gravelly, or uneven road? That's not a problem when you have inner tubes that work in tandem with your bike's suspension system to provide maximum shock and vibration dampening. Enjoy the thrill of adventure rides without the bone-rattling vibrations and painful impact from hard landings.
  • HEAVY DUTY INNER TUBES FOR YOUR SAFETY - Safety first is our motto. The inner tubes in our line of replacement parts are HEAVY DUTY inner tubes. The thick butyl walls of these inner tubes have self-sealing properties that create instantaneous airtight seals around puncture holes, preventing explosive punctures that can cause damage to your bike or injury to the rider.

Features

  • UNIVERSAL FIT 3.00/3.50-12" DIRT BIKE INNER TUBES - 2-pack inner tubes fit most 12-inch dirt bike tires that are 3.00 inches to 3.50 inches wide. This is the same size as the 3.00-12 tube and is a highly compatible fit for 80/100-12 dirt bike tube. Most tires for 90cc, 110cc, and 125cc dirt bikes use this size of high-quality inner tubes
  • COMPATIBLE REPLACEMENT INNER TUBES FOR MOTOCROSS, DIRT BIKES, AND PIT BIKES - Several brands and models of dirt bikes and pit bikes that are highly compatible with these inner tubes include Honda CRF50, Honda XR70, Yamaha TTR 90, Yamaha TTR 100, Suzuki DRZ 100, and TAOTAO bikes. These inner tubes are also suitable as a Kawasaki KLX 110 rear tube and as a Yamaha PW80 rear tire tube.
  • TR4 VALVE STEM FOR HIGH TORQUE APPLICATIONS - You'll know that an inner tube is made for your specific need when it has the right valve stem. TR4 straight valve stems have threads all throughout their lengths with highly secured nuts and washers to lock them in place. It is perfect for low psi tires that require high torque like dirt and motocross bikes and ATV/UTV vehicles.
  • ENJOY A COMFORTABLE WHEREVER YOU GO - Bumpy, gravelly, or uneven road? That's not a problem when you have inner tubes that work in tandem with your bike's suspension system to provide maximum shock and vibration dampening. Enjoy the thrill of adventure rides without the bone-rattling vibrations and painful impact from hard landings.
  • EXPLOSION-PROOF INNER TUBES FOR YOUR SAFETY - Safety first is our motto. The inner tubes in our line of replacement parts are all explosion-proof. The thick butyl walls of these inner tubes have self-sealing properties that create instantaneous airtight seals around puncture holes, preventing explosive punctures that can cause damage to your bike or injury to the rider.

Description

Heavy-Duty Dirt Bike Inner Tubes Made from premium quality rubber, our inner tubes are 4x thicker and more durable than average inner tubes in the market. They won't easily deteriorate or become thinner over time as the rubber walls are weatherproofed and evenly molded. It won't crack or dry rot even when stored away for months! Even when already installed and re-inflated a couple of times, these inner tubes will retain their structural integrity. The evenly molded rubber ensures that there are no thin spots that can cause uneven inflation and eventual loss of the capacity to hold air. The thickness and airtight construction also contribute to the tubes' longevity as they resist punctures. And when they inevitably get punctures, the inner tubes' self- sealing properties will ensure minimal air leakage whether you are riding out on rough terrains or performing stunts. It will take a considerable-sized puncture to flatten these inner tubes! And with how airtight these inner tubes are, you can go on for days without the need for pumping air! TR4 Valve Stem for Dirt Bikes and ATVs Specifically designed for ATVs, UTVs, and dirt bikes, the TR4 valve stem delivers both the convenience and security requirements that high-torque tires require. Unlike other valve stems commonly used for bikes, the TR4 valve stem has thread throughout its length. Also, unlike other valve stems, the TR4 has nuts and/or a washer to luck it in place outside of the wheel. This design specifically addresses the problem with valve stems getting pulled down, slipping back inside the rim as the tires flex or as you are pumping air. The nuts and washer prevent unnecessary movement and ensure that the valve stem seats securely on the inner tube wall at all times.


Manufacturer: ‎AR-PRO


Brand: ‎AR-PRO


Item Weight: ‎1.5 pounds


Package Dimensions: ‎8.39 x 6.89 x 2.68 inches


Item model number: ‎3.00/3.50-12"


Manufacturer Part Number: ‎3.00/3.50-12"


Date First Available: April 21, 2020


Brand: AR-PRO


Valve Type: TR4 Valve Stem


Material: Butyl Rubber


Wheel Size: 12 Inches


Item Diameter: 3 Inches


Brand Name: AR-PRO


UPC: 684753222898


Item Weight: 0.68 Kilograms


Manufacturer: AR-PRO


Model Number: 3.00/3.50-12"


Manufacturer Part Number: 3.00/3.50-12"


Unit Count: 2.0 Count


Valve Type: TR4 Valve Stem


Wheel Size: 12 Inches


Compatible Tire Width Minimum: 76 Millimeters


Compatible Tire Width Maximum: 89 Millimeters


Bike Type: Dirt Bike


Item Diameter: 3 Inches


Item Width: 3.5 Inches


Valve Length: 4 Inches


Size: 3.00/3.50-12"


Material Type: Butyl Rubber


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Sep 2

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • So far, so good!
Size: 3.50-10",TR-87 Valve
Finally. After having so many issues with bad tubes, tubes that didn't last, the wrong type of tube, etc., I took a chance on these 3.50-10 tubes for my moped. These are just a little bigger than my moped tire, which is a 3.00-10, which is why I didn't try them first, but I should have. So far, so good. As others have mentioned, the ride quality is great, and about 30 miles in, have so far held up. Keeping my fingers crossed, but these tubes seem to have fixed my issues. ... show more
Reviewed in the United States on June 9, 2026 by Amazon Customer

  • Solid
Size: 2.50/2.75-10",TR-87 Valve
Very durable are pretty thick and will take some abuse before breaking.
Reviewed in the United States on November 11, 2025 by Brett

  • Ride Smooth and Worry-Free with These Reliable Inner Tubes!
Size: 2.50/2.75-17 (70/100-17)
If you're like me and love hitting the trails or zipping through city streets on your bike, you know how crucial it is to have reliable inner tubes. I recently got my hands on a set of 2.50/2.75-17” motorcycle inner tubes, and let me tell you, they've been a fantastic addition to my ride. These inner tubes fit perfectly in my dirt bike and offer a smooth riding experience I've been longing for. One of the things I appreciate most about these tubes is their compatibility. They fit a wide range of bikes, from my trusty Honda dirt bike to my friend's Coolster. We were both pleasantly surprised by how versatile they are. If you’re unsure about the fit, just check your tire's sidewall. It’s a universal fit for most 17-inch rims, and having that flexibility is a huge plus. I’ve even used them as a substitute for some smaller tubes, and they worked like a charm. What really sets these tubes apart is the quality of the ride. Made from premium butyl rubber, they provide excellent impact absorption and puncture resistance. This means fewer worries about unexpected flats when you're out enjoying your ride. I’ve taken my bike on some pretty rough trails, and these inner tubes have held up beautifully. The ride feels noticeably smoother, and I’m not constantly concerned about hitting a rock or bump. Lastly, I have to mention the peace of mind that comes with knowing there’s a helpful customer service team ready to assist if needed. Although I haven’t had to reach out yet, it’s comforting to know they’re there. Overall, these inner tubes have made my rides more enjoyable and stress-free. Whether you're riding for fun or as a commuter, having these reliable inner tubes can make all the difference! ... show more
Reviewed in the United States on September 14, 2025 by Anthony

  • Great deal.
Size: 2.75/3.00-19 (70/100-19)
Great product for the price.
Reviewed in the United States on June 11, 2026 by argires

  • Dirt bike durability
Size: 3.00/3.50-12"
Good quality, riding on them for 3 weeks with no problems.
Reviewed in the United States on June 6, 2026 by Geeta Patel

  • Came with a patch over a hole from the factory Came with a patch over a hole from the factory
Size: 170/80-15"
When I received this it looked fine.so I put the first one on the bike it held air for 3 days then went flat so I assumed I had done something wrong but when I took it off and searched for the leak I found that the tube had been patched from the inside of the tube at the factory and that's where it leaked .... extremely pour quality so I inspected the second tube and it appeared to be ok so I installed it and so far it's holding air...please see the photo I'm includeing you can clearly see it was patched from the inside.... ... show more
Reviewed in the United States on May 22, 2026 Reviewed in the United States on May 22, 2026 by ogtrevdawg

  • Great
Size: 3.00/3.50-12"
Work great
Reviewed in the United States on May 31, 2026 by Angela K

  • TR4 Inner Tube is that way to go. TR4 Inner Tube is that way to go.
Size: 3.00/3.50-12"
Great quality inner tubes. Very similar to my last big name inner tube. These are prob 2mm tubes which is what we needed for our Venom e-mini bike rear tire. With the TR4 you have 2x 12mm nuts. One goes on the inside of the rim and the other goes on the outside. Many people can be confused about this. ... show more
Reviewed in the United States on May 3, 2026 Reviewed in the United States on May 3, 2026 by v1racing

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